FODO optics¶

This will demonstrate how to scan symmetrically and asymetrically the quadruople strengths in a standard FODO lattice.

Later we will optimize for particular average beta function.

Finally, we will track a beam and gather statistics from the particles.

In [1]:

import os

import matplotlib.pyplot as plt
import numpy as np

from pytao import Tao

%config InlineBackend.figure_format = 'retina'

import os import matplotlib.pyplot as plt import numpy as np from pytao import Tao %config InlineBackend.figure_format = 'retina'

In [2]:

tao = Tao(
    "-init $ACC_ROOT_DIR/bmad-doc/tao_examples/fodo/tao.init -lat $ACC_ROOT_DIR/bmad-doc/tao_examples/fodo/fodo.bmad -noplot"
)

tao = Tao( "-init $ACC_ROOT_DIR/bmad-doc/tao_examples/fodo/tao.init -lat $ACC_ROOT_DIR/bmad-doc/tao_examples/fodo/fodo.bmad -noplot" )

In [3]:

def add_info(d):
    twiss1 = tao.ele_twiss("q1")
    twiss2 = tao.ele_twiss("q2")

    d["mean_beta_a"] = (twiss1["beta_a"] + twiss2["beta_a"]) / 2
    d["mean_beta_b"] = (twiss1["beta_b"] + twiss2["beta_b"]) / 2
    d["phi_a"] = twiss2["phi_a"]
    d["phi_b"] = twiss2["phi_b"]
    return d

def add_info(d): twiss1 = tao.ele_twiss("q1") twiss2 = tao.ele_twiss("q2") d["mean_beta_a"] = (twiss1["beta_a"] + twiss2["beta_a"]) / 2 d["mean_beta_b"] = (twiss1["beta_b"] + twiss2["beta_b"]) / 2 d["phi_a"] = twiss2["phi_a"] d["phi_b"] = twiss2["phi_b"] return d

In [4]:

%%tao
sho lat

%%tao sho lat

------------
Tao> sho lat
# Values shown are for the Downstream End of each Element (Girder elements shown at ref point):
# Index  name      key                       s       l    beta   phi_a    eta   orbit    beta   phi_b    eta   orbit  Track
#                                                            a   [2pi]      x  x [mm]       b   [2pi]      y  y [mm]  State
      0  BEGINNING Beginning_Ele         0.000     ---    0.67   0.000   0.00   0.000    3.22   0.000   0.00   0.000  Alive
      1  P1        Pipe                  0.900   0.900    3.22   0.105   0.00   0.000    0.67   0.105   0.00   0.000  Alive
      2  Q1        Quadrupole            1.000   0.100    3.22   0.110   0.00   0.000    0.67   0.129   0.00   0.000  Alive
      3  P1        Pipe                  1.900   0.900    0.67   0.215   0.00   0.000    3.22   0.235   0.00   0.000  Alive
      4  Q2        Quadrupole            2.000   0.100    0.67   0.239   0.00   0.000    3.22   0.239   0.00   0.000  Alive
      5  END       Marker                2.000   0.000    0.67   0.239   0.00   0.000    3.22   0.239   0.00   0.000  Alive
Lord Elements:
      6  O_L       Overlay               1.900     ---    0.67   0.215   0.00     ---    3.22   0.235   0.00     ---  Not_Set
# Index  name      key                       s       l    beta   phi_a    eta   orbit    beta   phi_b    eta   orbit  Track
#                                                            a   [2pi]      x  x [mm]       b   [2pi]      y  y [mm]  State
# Values shown are for the Downstream End of each Element (Girder elements shown at ref point):

Symmetric FODO¶

In [5]:

def set_kx(k1):
    cmds = [f"set ele q1 k1 = {k1}", f"set ele q2 k1 = {-k1}"]

    d = {}
    try:
        tao.cmds(cmds)
        tao.cmd("set global lattice_calc_on = T")
        d["good"] = True
        add_info(d)
    except RuntimeError:
        d["good"] = False

    return d


x = set_kx(1.4142136e01)
KEYS = x.keys()
x

def set_kx(k1): cmds = [f"set ele q1 k1 = {k1}", f"set ele q2 k1 = {-k1}"] d = {} try: tao.cmds(cmds) tao.cmd("set global lattice_calc_on = T") d["good"] = True add_info(d) except RuntimeError: d["good"] = False return d x = set_kx(1.4142136e01) KEYS = x.keys() x

Out[5]:

{'good': True,
 'mean_beta_a': 1.9442223177869156,
 'mean_beta_b': 1.9442223177869151,
 'phi_a': 1.50388821541239,
 'phi_b': 1.5038882154124}

In [6]:

# Scan k1
n1 = 20
qvec1 = np.linspace(1, 25, n1)

RESULTS = []

# tao.cmd('set global plot_on = F')
for k in qvec1:
    res = set_kx(k)
    RESULTS.append(res)
# tao.cmd('set global plot_on = T')

# Scan k1 n1 = 20 qvec1 = np.linspace(1, 25, n1) RESULTS = [] # tao.cmd('set global plot_on = F') for k in qvec1: res = set_kx(k) RESULTS.append(res) # tao.cmd('set global plot_on = T')

In [7]:

# Reshape data
DAT = {}
for key in KEYS:
    print(key)
    x = []
    for res in RESULTS:
        if key in res:
            x.append(res[key])
        else:
            x.append(np.nan)
    DAT[key] = np.array(x)

# Reshape data DAT = {} for key in KEYS: print(key) x = [] for res in RESULTS: if key in res: x.append(res[key]) else: x.append(np.nan) DAT[key] = np.array(x)

good
mean_beta_a
mean_beta_b
phi_a
phi_b

In [8]:

DAT.keys()

DAT.keys()

Out[8]:

dict_keys(['good', 'mean_beta_a', 'mean_beta_b', 'phi_a', 'phi_b'])

In [9]:

for key in KEYS:
    plt.plot(qvec1, DAT[key])
    plt.ylabel(key)
    plt.xlabel(r"k1 (m$^{-2}$)")
    plt.show()

for key in KEYS: plt.plot(qvec1, DAT[key]) plt.ylabel(key) plt.xlabel(r"k1 (m$^{-2}$)") plt.show()

In [10]:

%%tao
sho dat

%%tao sho dat

------------
Tao> sho dat

  Name                                 Using for Optimization
  fodo.betas[1:2]                                Using: 1:2
  fodo.stability[1:1]                            Using: 1

Asymmetric FODO¶

Scan k1 for each quad

In [11]:

def set_k(k1, k2):
    cmds = [f"set ele q1 k1 = {k1}", f"set ele q2 k1 = {-k2}"]

    d = {}
    try:
        tao.cmds(cmds)
        tao.cmd("set global lattice_calc_on = T")
        d["good"] = True
        add_info(d)
    except RuntimeError:
        d["good"] = False

    return d


x = set_k(1.4142136e01, 1.4142136e01)
KEYS = x.keys()
x

def set_k(k1, k2): cmds = [f"set ele q1 k1 = {k1}", f"set ele q2 k1 = {-k2}"] d = {} try: tao.cmds(cmds) tao.cmd("set global lattice_calc_on = T") d["good"] = True add_info(d) except RuntimeError: d["good"] = False return d x = set_k(1.4142136e01, 1.4142136e01) KEYS = x.keys() x

Out[11]:

{'good': True,
 'mean_beta_a': 1.9442223177869156,
 'mean_beta_b': 1.9442223177869151,
 'phi_a': 1.50388821541239,
 'phi_b': 1.5038882154124}

In [12]:

set_k(1, 1)

set_k(1, 1)

Out[12]:

{'good': True,
 'mean_beta_a': 20.7230562019829,
 'mean_beta_b': 20.7230562019829,
 'phi_a': 0.0966467384116868,
 'phi_b': 0.0966467384116869}

In [13]:

n1 = 50
n2 = 60
qvec1 = np.linspace(1, 15, n1)
qvec2 = np.linspace(1, 15, n2)
K1, K2 = np.meshgrid(qvec1, qvec2, indexing="ij")

fK1 = K1.flatten()
fK2 = K2.flatten()

n1 = 50 n2 = 60 qvec1 = np.linspace(1, 15, n1) qvec2 = np.linspace(1, 15, n2) K1, K2 = np.meshgrid(qvec1, qvec2, indexing="ij") fK1 = K1.flatten() fK2 = K2.flatten()

In [14]:

%%time
# Make data

tao.cmd("set global plot_on = F")

RESULTS = []
for k1, k2 in zip(fK1, fK2):
    res = set_k(k1, k2)
    #    print(res)
    RESULTS.append(res)


# tao.cmd('set global plot_on = T')

%%time # Make data tao.cmd("set global plot_on = F") RESULTS = [] for k1, k2 in zip(fK1, fK2): res = set_k(k1, k2) # print(res) RESULTS.append(res) # tao.cmd('set global plot_on = T')

CPU times: user 2.07 s, sys: 396 ms, total: 2.47 s
Wall time: 2.47 s

In [15]:

# Reshape data
DAT = {}
for key in RESULTS[0]:
    print(key)
    x = []
    for res in RESULTS:
        if key in res:
            x.append(res[key])
        else:
            x.append(np.nan)

    DAT[key] = np.array(x).reshape(n1, n2)

# Reshape data DAT = {} for key in RESULTS[0]: print(key) x = [] for res in RESULTS: if key in res: x.append(res[key]) else: x.append(np.nan) DAT[key] = np.array(x).reshape(n1, n2)

good
mean_beta_a
mean_beta_b
phi_a
phi_b

Plots¶

In [16]:

NICE = {}
NICE["mean_beta_a"] = r"$<\beta_x>$"
NICE["mean_beta_b"] = r"$<\beta_y>$"


def nice(key):
    if key in NICE:
        return NICE[key]
    return key

NICE = {} NICE["mean_beta_a"] = r"$<\beta_x>$" NICE["mean_beta_b"] = r"$<\beta_y>$" def nice(key): if key in NICE: return NICE[key] return key

In [17]:

# fig, ax = plt.subplots(figsize=(10,8))


def plot1(key):
    plt.imshow(
        DAT[key],
        origin="lower",
        extent=[qvec1.min(), qvec1.max(), qvec2.min(), qvec2.max()],
        cmap="jet",
        vmax=10,
    )
    plt.xlabel("Q1 (+)k1 (1/m$^2$)")
    plt.ylabel("Q2 (-)k1 (1/m$^2$)")
    plt.colorbar(label=nice(key))
    plt.show()


plot1("mean_beta_a")
plot1("mean_beta_b")

# fig, ax = plt.subplots(figsize=(10,8)) def plot1(key): plt.imshow( DAT[key], origin="lower", extent=[qvec1.min(), qvec1.max(), qvec2.min(), qvec2.max()], cmap="jet", vmax=10, ) plt.xlabel("Q1 (+)k1 (1/m$^2$)") plt.ylabel("Q2 (-)k1 (1/m$^2$)") plt.colorbar(label=nice(key)) plt.show() plot1("mean_beta_a") plot1("mean_beta_b")

Optimize for some special beta functions¶

In [18]:

def optimize(beta_a, beta_b):
    cmds = f"""
alias setbetas
veto var *
set lattice model=design
veto dat *
use dat fodo.betas[1,2]
use dat fodo.stability
set dat fodo.betas[1]|meas={beta_a}
set dat fodo.betas[2]|meas={beta_b}
use var quad
run
show var -bmad -good
    """
    lines = tao.cmds(
        cmds.split("\n"),
        suppress_lattice_calc=False,
        suppress_plotting=False,
        raises=False,
    )

    # Twiss at Q1
    T = tao.ele_twiss("Q1")
    return T


optimize(10, 20)

def optimize(beta_a, beta_b): cmds = f""" alias setbetas veto var * set lattice model=design veto dat * use dat fodo.betas[1,2] use dat fodo.stability set dat fodo.betas[1]|meas={beta_a} set dat fodo.betas[2]|meas={beta_b} use var quad run show var -bmad -good """ lines = tao.cmds( cmds.split("\n"), suppress_lattice_calc=False, suppress_plotting=False, raises=False, ) # Twiss at Q1 T = tao.ele_twiss("Q1") return T optimize(10, 20)

Out[18]:

{'mode_flip': False,
 'beta_a': 19.8980601747811,
 'alpha_a': 20.8824960367295,
 'gamma_a': 21.9658919957424,
 'phi_a': 0.688888454799631,
 'eta_a': 0.0,
 'deta_ds_a': 0.0,
 'etap_a': 0.0,
 'dbeta_dpz_a': 0.0,
 'dalpha_dpz_a': 0.0,
 'deta_dpz_a': 0.0,
 'detap_dpz_a': 0.0,
 'beta_b': 8.56179989648892,
 'alpha_b': -8.6886925501399,
 'gamma_b': 8.93426372440981,
 'phi_b': 0.0669702646497192,
 'eta_b': 0.0,
 'deta_ds_b': 0.0,
 'etap_b': 0.0,
 'dbeta_dpz_b': 0.0,
 'dalpha_dpz_b': 0.0,
 'deta_dpz_b': 0.0,
 'detap_dpz_b': 0.0,
 'eta_x': 0.0,
 'etap_x': 0.0,
 'deta_dsx': 0.0,
 'deta_dpz_x': 0.0,
 'detap_dpz_x': 0.0,
 'eta_y': 0.0,
 'etap_y': 0.0,
 'deta_dsy': 0.0,
 'deta_dpz_y': 0.0,
 'detap_dpz_y': 0.0}

In [19]:

# Check merit
tao.merit()

# Check merit tao.merit()

Out[19]:

7.13483668005334e-24

In [20]:

# Check that the optimization worked
average_beta_a = tao.data("fodo", "betas", dat_index=1)["model_value"]
average_beta_b = tao.data("fodo", "betas", dat_index=2)["model_value"]
average_beta_a, average_beta_b

# Check that the optimization worked average_beta_a = tao.data("fodo", "betas", dat_index=1)["model_value"] average_beta_b = tao.data("fodo", "betas", dat_index=2)["model_value"] average_beta_a, average_beta_b

Out[20]:

(10.0000000000002, 20.0000000000008)

In [21]:

# These are the K
kq1 = tao.ele_gen_attribs("Q1")["K1"]
kq2 = tao.ele_gen_attribs("Q2")["K1"]
kq1, kq2

# These are the K kq1 = tao.ele_gen_attribs("Q1")["K1"] kq2 = tao.ele_gen_attribs("Q2")["K1"] kq1, kq2

Out[21]:

(20.62978963397974, -10.55005578839245)

Alternative method: alias¶

A 'simple' Tao alias can be useful when running on the command line.

In [22]:

tao.cmd(
    "alias setbetas veto var *;veto dat *;use datafodo.stability;use dat fodo.betas[1,2];set dat fodo.betas[1]|meas=[[1]];set dat fodo.betas[2]|meas=[[2]];use var quad;run;show var -bmad -good"
)
# tao.cmd('call SetBetas.tao', raises=False)

lines = tao.cmd("setbetas 40 25", raises=False)
lines[-3:]
tao.merit()

tao.cmd( "alias setbetas veto var *;veto dat *;use datafodo.stability;use dat fodo.betas[1,2];set dat fodo.betas[1]|meas=[[1]];set dat fodo.betas[2]|meas=[[2]];use var quad;run;show var -bmad -good" ) # tao.cmd('call SetBetas.tao', raises=False) lines = tao.cmd("setbetas 40 25", raises=False) lines[-3:] tao.merit()

Out[22]:

0.0

In [23]:

T = tao.ele_twiss("Q1")
T

T = tao.ele_twiss("Q1") T

Out[23]:

{}

Beam tracking¶

Here we will make a new lattice with 10 cells that calls the single fodo lattice.

In [24]:

from pytao.misc.markers import make_markers

from pytao.misc.markers import make_markers

In [25]:

?make_markers

?make_markers

In [26]:

smax = 20.0  # m

# Alternatively, if the lattice were already loaded
# smax = tao.lat_list('*', who='ele.s').max()

slist = np.linspace(0, smax, 200)

make_markers(slist, filename="markers.bmad")
smax

smax = 20.0 # m # Alternatively, if the lattice were already loaded # smax = tao.lat_list('*', who='ele.s').max() slist = np.linspace(0, smax, 200) make_markers(slist, filename="markers.bmad") smax

Out[26]:

20.0

In [27]:

# Make a lattice and write to a local file

latfile = os.path.join(os.getcwd(), "fodo10.bmad")

LAT2 = f"""

call, file = $ACC_ROOT_DIR/bmad-doc/tao_examples/fodo/fodo.bmad
call, file = markers.bmad

Q1[k1] = {kq1}
Q2[k1] = {kq2}

lat: line = (10*fodo1)

use, lat

"""
open(latfile, "w").write(LAT2)

# Make a lattice and write to a local file latfile = os.path.join(os.getcwd(), "fodo10.bmad") LAT2 = f""" call, file = $ACC_ROOT_DIR/bmad-doc/tao_examples/fodo/fodo.bmad call, file = markers.bmad Q1[k1] = {kq1} Q2[k1] = {kq2} lat: line = (10*fodo1) use, lat """ open(latfile, "w").write(LAT2)

Out[27]:

183

In [28]:

# Run with this lattice
tao = Tao(
    f"-init $ACC_ROOT_DIR/bmad-doc/tao_examples/fodo/tao.init -lat {latfile} -noplot"
)

# Run with this lattice tao = Tao( f"-init $ACC_ROOT_DIR/bmad-doc/tao_examples/fodo/tao.init -lat {latfile} -noplot" )

In [29]:

f"-init $ACC_ROOT_DIR/bmad-doc/tao_examples/fodo/tao.init -lat {latfile} -noplot"

f"-init $ACC_ROOT_DIR/bmad-doc/tao_examples/fodo/tao.init -lat {latfile} -noplot"

Out[29]:

'-init $ACC_ROOT_DIR/bmad-doc/tao_examples/fodo/tao.init -lat /home/runner/work/pytao/pytao/docs/examples/fodo10.bmad -noplot'

In [30]:

%%tao
sho beam

%%tao sho beam

-------------
Tao> sho beam
Beam tracking not done in universe: 1
Create a tao_beam_init namelist for this universe in the appropriate init file if beam tracking wanted.

In [31]:

# Toggle the beam on and off
tao.cmd('set beam dump_file = beam_dump.h5')
tao.cmd('set beam dump_at = *')
tao.cmd("set beam_init n_particle = 1000")
tao.cmd("set beam_init bunch_charge =1e-15")
tao.cmd("set beam_init a_norm_emit = 1e-6")
tao.cmd("set beam_init b_norm_emit = 1e-6")
tao.cmd('set beam track_start = beginning')
tao.cmd('set beam track_end = end')
tao.cmd("set global track_type = beam;set global track_type = single")

# Toggle the beam on and off tao.cmd('set beam dump_file = beam_dump.h5') tao.cmd('set beam dump_at = *') tao.cmd("set beam_init n_particle = 1000") tao.cmd("set beam_init bunch_charge =1e-15") tao.cmd("set beam_init a_norm_emit = 1e-6") tao.cmd("set beam_init b_norm_emit = 1e-6") tao.cmd('set beam track_start = beginning') tao.cmd('set beam track_end = end') tao.cmd("set global track_type = beam;set global track_type = single")

Out[31]:

['', 'Tao: set global track_type = single']

In [32]:

%%tao
sho beam

%%tao sho beam

-------------
Tao> sho beam
Universe: 1  of: 1

global%track_type           = "single"
global%beam_timer_on        = T
global%beam_dead_cutoff     =   9.90000010E-01

General beam components (set by "set beam ..."):
always_reinit     = F
saved_at          = ""
dump_at           = "*"
dump_file         = "beam_dump.h5"
comb_ds_save      =  -1.00000000E+00  ! Note: < 0 => No comb calculated.
comb index range  = [0, -1]
track_start       = "beginning"  ! BEGINNING (0)
track_end         = "end"  ! END (439)
n_particle (actual)       = 1000
n_bunch                   = 1
bunch_charge_tot          =   1.00000000E-15
bunch_species             = Electron
beam_init components (set by "set beam_init ..."):
  %position_file          = ""
  %distribution_type      = "RAN_GAUSS"  "RAN_GAUSS"  "RAN_GAUSS"
  %full_6D_coupling_calc  = F
  %use_particle_start     = F
  %use_t_coords           = F
  %use_z_as_t             = F
  %spin                   =   0.00000000E+00  0.00000000E+00  0.00000000E+00
  %center                 =   0.00000000E+00  0.00000000E+00  0.00000000E+00  0.00000000E+00  0.00000000E+00  0.00000000E+00
  %center_jitter          =   0.00000000E+00  0.00000000E+00  0.00000000E+00  0.00000000E+00  0.00000000E+00  0.00000000E+00
  %t_offset               =   0.00000000E+00
  %n_particle             = 1000
  %ix_turn                = 0
  %n_bunch                = 0          ! Note: 0 => Create one bunch if not reading from a file
  %bunch_charge           =   1.00000000E-15
  %a_norm_emit            =   1.00000000E-06  ! Value used:  1.00000000E-06
  %b_norm_emit            =   1.00000000E-06  ! Value used:  1.00000000E-06
  %a_emit                 =   0.00000000E+00  ! Value used:  3.40667944E-09
  %b_emit                 =   0.00000000E+00  ! Value used:  3.40667944E-09
  %sig_z                  =   0.00000000E+00  ! Value used:  0.00000000E+00
  %sig_pz                 =   0.00000000E+00  ! Value used:  0.00000000E+00
  %dPz_dz                 =   0.00000000E+00
  %dt_bunch               =   0.00000000E+00
  %emit_jitter            =   0.00000000E+00  0.00000000E+00
  %sig_z_jitter           =   0.00000000E+00
  %sig_pz_jitter          =   0.00000000E+00
  %species                = ""
  %renorm_center          = T
  %renorm_sigma           = T
  %random_engine          = "pseudo"
  %random_gauss_converter = "ziggurat"
  %random_sigma_cutoff    = -1.000

bmad_com components (set by "set bmad_com ..."):
  %sr_wakes_on                     = T
  %lr_wakes_on                     = T
  %csr_and_space_charge_on         = F
  %spin_tracking_on                = F
  %spin_sokolov_ternov_flipping_on = F
  %radiation_damping_on            = F
  %radiation_zero_average          = F
  %radiation_fluctuations_on       = T

space_charge_com components (set by "set space_charge_com ..."):
  %ds_track_step                  =   0.00000000E+00
  %dt_track_step                  =   1.00000000E-12
  %cathode_strength_cutoff        =   9.99999978E-03
  %rel_tol_tracking               =   1.00000000E-08
  %abs_tol_tracking               =   1.00000000E-10
  %beam_chamber_height            =   0.00000000E+00
  %lsc_sigma_cutoff               =   1.00000001E-01
  %particle_sigma_cutoff          =  -1.00000000E+00
  %mesh_growth_factor             =   1.00000001E-01
  %mesh_shrink_factor             =   1.00000001E-01
  %space_charge_mesh_size         = 32  32  64
  %csr3d_mesh_size                = 32  32  64
  %n_bin                          = 0
  %particle_bin_span              = 2
  %n_shield_images                = 0
  %sc_min_in_bin                  = 10
  %lsc_kick_transverse_dependence = F
  %diagnostic_output_file         = ""

Get particles¶

In [33]:

import h5py
from beamphysics import ParticleGroup, particle_paths

with h5py.File("beam_dump.h5", "r") as h5:
    pp = particle_paths(h5)
    Plist = [ParticleGroup(h5[g]) for g in pp]

import h5py from beamphysics import ParticleGroup, particle_paths with h5py.File("beam_dump.h5", "r") as h5: pp = particle_paths(h5) Plist = [ParticleGroup(h5[g]) for g in pp]

/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00001/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00001/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00002/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00002/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00003/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00003/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00004/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00004/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00005/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00005/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00006/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00006/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00007/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00007/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00008/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00008/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00009/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00009/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00010/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00010/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00011/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00011/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00012/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00012/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00013/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00013/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00014/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00014/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00015/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00015/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00016/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00016/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00017/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00017/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00018/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00018/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00019/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00019/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00020/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00020/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00021/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00021/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00022/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00022/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00023/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00023/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00024/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00024/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00025/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00025/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00026/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00026/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00027/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00027/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00028/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00028/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00029/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00029/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00030/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00030/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00031/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00031/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00032/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00032/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00033/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00033/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00034/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00034/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00035/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00035/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00036/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00036/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00037/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00037/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00038/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00038/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00039/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00039/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00040/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00040/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00041/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00041/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00042/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00042/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00043/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00043/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00044/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00044/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00045/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00045/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00046/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00046/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00047/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00047/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00048/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00048/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00049/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00049/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00050/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00050/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00051/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00051/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00052/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00052/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00053/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00053/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00054/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00054/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00055/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00055/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00056/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00056/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00057/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00057/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00058/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00058/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00059/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00059/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00060/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00060/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00061/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00061/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00062/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00062/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00063/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00063/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00064/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00064/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00065/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00065/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00066/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00066/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00067/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00067/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:

/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00068/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00068/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00069/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00069/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00070/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00070/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00071/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00071/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00072/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00072/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00073/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00073/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00074/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00074/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00075/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00075/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00076/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00076/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00077/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00077/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00078/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00078/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00079/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00079/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00080/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00080/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00081/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00081/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00082/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00082/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00083/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00083/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00084/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00084/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00085/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00085/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00086/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00086/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00087/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00087/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00088/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00088/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00089/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00089/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00090/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00090/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00091/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00091/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00092/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00092/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00093/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00093/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00094/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00094/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00095/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00095/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00096/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00096/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00097/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00097/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00098/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00098/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00099/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00099/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00100/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00100/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00101/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00101/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00102/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00102/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00103/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00103/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00104/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00104/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00105/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00105/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00106/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00106/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00107/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00107/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00108/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00108/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00109/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00109/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00110/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00110/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00111/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00111/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00112/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00112/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00113/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00113/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00114/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00114/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00115/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00115/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:

/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00116/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00116/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00117/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00117/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00118/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00118/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00119/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00119/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00120/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00120/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00121/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00121/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00122/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00122/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00123/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00123/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00124/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00124/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00125/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00125/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00126/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00126/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00127/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00127/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00128/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00128/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00129/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00129/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00130/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00130/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00131/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00131/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00132/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00132/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00133/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00133/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00134/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00134/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00135/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00135/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00136/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00136/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00137/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00137/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00138/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00138/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00139/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00139/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00140/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00140/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00141/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00141/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00142/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00142/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00143/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00143/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00144/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00144/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00145/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00145/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00146/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00146/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00147/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00147/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00148/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00148/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00149/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00149/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00150/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00150/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00151/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00151/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00152/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00152/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00153/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00153/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00154/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00154/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00155/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00155/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00156/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00156/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00157/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00157/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00158/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00158/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00159/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00159/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00160/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00160/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00161/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00161/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00162/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00162/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00163/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00163/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00164/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00164/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00165/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00165/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00166/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00166/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00167/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00167/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00168/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00168/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00169/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00169/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00170/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00170/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00171/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00171/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00172/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00172/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00173/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00173/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00174/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00174/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00175/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00175/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00176/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00176/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00177/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00177/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00178/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00178/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00179/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00179/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00180/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00180/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00181/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00181/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:

/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00182/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00182/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00183/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00183/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00184/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00184/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00185/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00185/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00186/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00186/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00187/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00187/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00188/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00188/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00189/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00189/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00190/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00190/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00191/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00191/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00192/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00192/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00193/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00193/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00194/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00194/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00195/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00195/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00196/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00196/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00197/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00197/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00198/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00198/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00199/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00199/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00200/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00200/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00201/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00201/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00202/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00202/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00203/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00203/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00204/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00204/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00205/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00205/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00206/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00206/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00207/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00207/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00208/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00208/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00209/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00209/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00210/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00210/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00211/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00211/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00212/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00212/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00213/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00213/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00214/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00214/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00215/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00215/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00216/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00216/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00217/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00217/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00218/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00218/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00219/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00219/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00220/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00220/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00221/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00221/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00222/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00222/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00223/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00223/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00224/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00224/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00225/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00225/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00226/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00226/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00227/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00227/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00228/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00228/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00229/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00229/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00230/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00230/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00231/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00231/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00232/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00232/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00233/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00233/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00234/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00234/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00235/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00235/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00236/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00236/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00237/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00237/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00238/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00238/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00239/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00239/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00240/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00240/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00241/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00241/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00242/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00242/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00243/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00243/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00244/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00244/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00245/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00245/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00246/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00246/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00247/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00247/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:

/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00248/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00248/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00249/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00249/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00250/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00250/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00251/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00251/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00252/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00252/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00253/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00253/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00254/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00254/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00255/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00255/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00256/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00256/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00257/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00257/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00258/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00258/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00259/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00259/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00260/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00260/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00261/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00261/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00262/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00262/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00263/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00263/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00264/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00264/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00265/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00265/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00266/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00266/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00267/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00267/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00268/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00268/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00269/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00269/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00270/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00270/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00271/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00271/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00272/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00272/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00273/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00273/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00274/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00274/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00275/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00275/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00276/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00276/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00277/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00277/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00278/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00278/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00279/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00279/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00280/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00280/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00281/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00281/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00282/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00282/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00283/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00283/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00284/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00284/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00285/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00285/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00286/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00286/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00287/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00287/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00288/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00288/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00289/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00289/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00290/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00290/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00291/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00291/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00292/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00292/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00293/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00293/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00294/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00294/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00295/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00295/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00296/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00296/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00297/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00297/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00298/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00298/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00299/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00299/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00300/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00300/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00301/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00301/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00302/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00302/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00303/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00303/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00304/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00304/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00305/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00305/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00306/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00306/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00307/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00307/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00308/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00308/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00309/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00309/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00310/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00310/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00311/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00311/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00312/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00312/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00313/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00313/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00314/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00314/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:

/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00315/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00315/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00316/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00316/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00317/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00317/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00318/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00318/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00319/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00319/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00320/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00320/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00321/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00321/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00322/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00322/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00323/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00323/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00324/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00324/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00325/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00325/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00326/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00326/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00327/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00327/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00328/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00328/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00329/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00329/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00330/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00330/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00331/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00331/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00332/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00332/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00333/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00333/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00334/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00334/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00335/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00335/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00336/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00336/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00337/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00337/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00338/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00338/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00339/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00339/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00340/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00340/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00341/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00341/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00342/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00342/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00343/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00343/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00344/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00344/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00345/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00345/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00346/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00346/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00347/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00347/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00348/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00348/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00349/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00349/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00350/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00350/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00351/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00351/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00352/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00352/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00353/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00353/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00354/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00354/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00355/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00355/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00356/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00356/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00357/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00357/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00358/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00358/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00359/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00359/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00360/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00360/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00361/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00361/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00362/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00362/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00363/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00363/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00364/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00364/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00365/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00365/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00366/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00366/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00367/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00367/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00368/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00368/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00369/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00369/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00370/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00370/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00371/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00371/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00372/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00372/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00373/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00373/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00374/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00374/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00375/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00375/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00376/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00376/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00377/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00377/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00378/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00378/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00379/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00379/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00380/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00380/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00381/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00381/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00382/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00382/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00383/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00383/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:

/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00384/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00384/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00385/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00385/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00386/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00386/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00387/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00387/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00388/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00388/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00389/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00389/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00390/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00390/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00391/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00391/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00392/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00392/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00393/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00393/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00394/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00394/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00395/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00395/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00396/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00396/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00397/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00397/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00398/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00398/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00399/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00399/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00400/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00400/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00401/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00401/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00402/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00402/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00403/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00403/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00404/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00404/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00405/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00405/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00406/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00406/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00407/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00407/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00408/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00408/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00409/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00409/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00410/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00410/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00411/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00411/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00412/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00412/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00413/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00413/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00414/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00414/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00415/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00415/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00416/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00416/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00417/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00417/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00418/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00418/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00419/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00419/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00420/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00420/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00421/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00421/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00422/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00422/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00423/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00423/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00424/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00424/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00425/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00425/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00426/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00426/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00427/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00427/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00428/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00428/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00429/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00429/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00430/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00430/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00431/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00431/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00432/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00432/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00433/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00433/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00434/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00434/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00435/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00435/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00436/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00436/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00437/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00437/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00438/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00438/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00439/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00439/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/readers.py:534: FutureWarning: No 'openPMD' attribute in beam_dump.h5:/data/00440/particles. This is not a standards compliant openPMD file, but reading will be attempted anyway. This warning will become an exception in a later version of beamphysics.
  get_root_metadata(h5, warn=warn)
/home/runner/miniconda3/envs/pytao-dev/lib/python3.12/site-packages/beamphysics/particles.py:207: FutureWarning: No openPMD iterations below beam_dump.h5:/data/00440/particles, so it is taken to be the particle group itself. This is not a standards compliant openPMD file, but reading will be attempted anyway. Support for this may be removed in a future version of beamphysics.
  with _only_iteration_only_species_group(h5, warn=True) as group:

Pretty plot¶

Traces can be made by gathering the coordinate arrays

In [34]:

skip = 1  # make larger for faster plotting
fig, axes = plt.subplots(2, figsize=(12, 8))

axes[0].plot(
    [P.t[::skip] * 299792458 for P in Plist],
    [P.x[::skip] * 1e6 for P in Plist],
    alpha=0.01,
    color="black",
)

axes[1].plot(
    [P.t[::skip] * 299792458 for P in Plist],
    [P.y[::skip] * 1e6 for P in Plist],
    alpha=0.01,
    color="black",
)

axes[0].set_ylabel(r"$x$ (µm)")
axes[1].set_ylabel(r"$y$ (µm)")

axes[1].set_xlabel(r"$ct$ (m)")

for ax in axes:
    ax.set_ylim(-2000, 2000)

skip = 1 # make larger for faster plotting fig, axes = plt.subplots(2, figsize=(12, 8)) axes[0].plot( [P.t[::skip] * 299792458 for P in Plist], [P.x[::skip] * 1e6 for P in Plist], alpha=0.01, color="black", ) axes[1].plot( [P.t[::skip] * 299792458 for P in Plist], [P.y[::skip] * 1e6 for P in Plist], alpha=0.01, color="black", ) axes[0].set_ylabel(r"$x$ (µm)") axes[1].set_ylabel(r"$y$ (µm)") axes[1].set_xlabel(r"$ct$ (m)") for ax in axes: ax.set_ylim(-2000, 2000)

Get some statistics¶

In [35]:

k1 = "sigma_x"
k2 = "sigma_y"

x = np.array([P["mean_t"] * 299792458 for P in Plist])
y1 = np.array([P[k1] for P in Plist])
y2 = np.array([P[k2] for P in Plist])

fig, ax = plt.subplots(figsize=(12, 4))
ax.plot(x, y1 * 1e6, label=k1)
ax.plot(x, y2 * 1e6, label=k2)
ax.set_xlabel("<ct> (m)")
ax.set_ylabel(f"{k1}, {k2} (µm)")
plt.legend()

k1 = "sigma_x" k2 = "sigma_y" x = np.array([P["mean_t"] * 299792458 for P in Plist]) y1 = np.array([P[k1] for P in Plist]) y2 = np.array([P[k2] for P in Plist]) fig, ax = plt.subplots(figsize=(12, 4)) ax.plot(x, y1 * 1e6, label=k1) ax.plot(x, y2 * 1e6, label=k2) ax.set_xlabel("<ct> (m)") ax.set_ylabel(f"{k1}, {k2} (µm)") plt.legend()

Out[35]:

<matplotlib.legend.Legend at 0x7ffa5485c470>

Cleanup¶

In [36]:

# Cleanup
!rm beam_dump.h5
!rm {latfile}
!rm markers.bmad

# Cleanup !rm beam_dump.h5 !rm {latfile} !rm markers.bmad