I am trying to run a function from a module I have written myself. This function includes the multiprocessing and I am having trouble getting it to run on macOS. If i call the function in a separate .py file it runs with no errors (on macOS), so I think it is the jupyter notebook, which is the problem.
Update
I forgot to mention that when calling the function on Ubuntu, it runs with no errors - both in the notebook and as the standalone .py file. Also, the multiprocessing package I am using is concurrent futures
The code in question is
import HSTI as hsti
import numpy as np
if __name__ == '__main__':
lams = np.linspace(8,16,256)*1e-6
d = np.linspace(3,13,128)*1e-6
FPI = hsti.FPI(d,lams,297)
When I run this as a standalone python file, I don't get any errors, but when using it in a jupyter notebook i get the following error:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/multiprocessing/spawn.py", line 122, in spawn_main
exitcode = _main(fd, parent_sentinel)
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/multiprocessing/spawn.py", line 131, in _main
prepare(preparation_data)
File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/multiprocessing/spawn.py", line 246, in prepare
_fixup_main_from_path(data['init_main_from_path'])
File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/multiprocessing/spawn.py", line 297, in _fixup_main_from_path
main_content = runpy.run_path(main_path,
^^^^^^^^^^^^^^^^^^^^^^^^^
File "<frozen runpy>", line 290, in run_path
File "<frozen runpy>", line 254, in _get_code_from_file
FileNotFoundError: [Errno 2] No such file or directory: '/Users/madslarsen/Dropbox/HSTI/spectral_calibration/HSTI/spectral_calibration/tmm_test.ipynb'
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/multiprocessing/spawn.py", line 122, in spawn_main
exitcode = _main(fd, parent_sentinel)
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/multiprocessing/spawn.py", line 131, in _main
prepare(preparation_data)
File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/multiprocessing/spawn.py", line 246, in prepare
_fixup_main_from_path(data['init_main_from_path'])
File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/multiprocessing/spawn.py", line 297, in _fixup_main_from_path
main_content = runpy.run_path(main_path,
^^^^^^^^^^^^^^^^^^^^^^^^^
File "<frozen runpy>", line 290, in run_path
File "<frozen runpy>", line 254, in _get_code_from_file
FileNotFoundError: [Errno 2] No such file or directory: '/Users/madslarsen/Dropbox/HSTI/spectral_calibration/HSTI/spectral_calibration/tmm_test.ipynb'
Do you have any suggestions of what to do in this case?
I was calling the module containing concurrent futures from within a jupyter notebook version 7.0.5. I had success using a jupyter notebook version 6.4.8 instead.