m.write() not working

[astrofroger]

Hi Thomas!

I am trying to run the model following http://docs.hyperion-rt.org/en/stable/tutorials/example_class1.html
but it fails with:
###################################################

m.write('class1_example1.rtin')
/home/user/.local/lib/python3.11/site-packages/hyperion/densities/ulrich_envelope.py:434: RuntimeWarning: invalid value encountered in log

• (np.log((np.sqrt(gamma_1) + 1) / (1. - np.sqrt(gamma_1)))
  Traceback (most recent call last):
  File "", line 1, in
  File "/home/user/.local/lib/python3.11/site-packages/hyperion/model/analytical_yso_model.py", line 862, in write
  m = self.to_model(merge_if_possible=merge_if_possible)
  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/user/.local/lib/python3.11/site-packages/hyperion/model/analytical_yso_model.py", line 729, in to_model
  g = virtual_file()
  ^^^^^^^^^^^^^^
  File "/home/user/.local/lib/python3.11/site-packages/hyperion/util/functions.py", line 24, in virtual_file
  return h5py.File(random_id(), driver='core', backing_store=False)
  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib64/python3.11/site-packages/h5py/_hl/files.py", line 533, in init
  fid = make_fid(name, mode, userblock_size, fapl, fcpl, swmr=swmr)
  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib64/python3.11/site-packages/h5py/_hl/files.py", line 226, in make_fid
  fid = h5f.open(name, flags, fapl=fapl)
  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "h5py/_objects.pyx", line 54, in h5py._objects.with_phil.wrapper
  File "h5py/_objects.pyx", line 55, in h5py._objects.with_phil.wrapper
  File "h5py/h5f.pyx", line 106, in h5py.h5f.open
  OSError: Unable to open file (unable to open file)
  ###################################################

Actually it worked before, but failed after a reinstallation of Hyperion (0.9.10) and updating of the system baded python (3.11 currently).

Any way to fix this? Thanks a lot!

[astrofroger]

My solution to this issue is to change
#######################################
return h5py.File(random_id(), driver='core', backing_store=False)
#######################################
to
#######################################
return h5py.File(random_id(), 'w', driver='core', backing_store=False)
#######################################
Is it ok? Thanks!