[Python] ERROR Backend subproccess exited when trying to invoke get_requires_for_build_sdist

I used the Upload Python Package workflow on GitHub to upload the module stored in the repository to PyPI.

As you can see at the link above, I followed the tutorial given by packaging.python.org, to be more specific I used setup.py instead of setup.cfg.


Anyway an error occurred during the last deploy, which gave me the following error:

Run python -m build
python -m build
shell: /usr/bin/bash -e {0}
env:
pythonLocation: /opt/hostedtoolcache/Python/3.10.4/x64
LD_LIBRARY_PATH: /opt/hostedtoolcache/Python/3.10.4/x64/lib
running egg_info
creating src/classevivaAPI.egg-info
writing src/classevivaAPI.egg-info/PKG-INFO
writing dependency_links to src/classevivaAPI.egg-info/dependency_links.txt
writing top-level names to src/classevivaAPI.egg-info/top_level.txt
writing manifest file 'src/classevivaAPI.egg-info/SOURCES.txt'
error: package directory 'src/classevivaAPI' does not exist
* Creating venv isolated environment...
* Installing packages in isolated environment... (selenium>=4.1.3, setuptools>=42)
* Getting dependencies for sdist...



ERROR Backend subproccess exited when trying to invoke get_requires_for_build_sdist
Error: Process completed with exit code 1.


In particular I was wondering what does the following line mean:

ERROR Backend subproccess exited when trying to invoke get_requires_for_build_sdist
​

Have you ever had the same problem? Do you know how to solve it and upload my package? Thank you in advance.

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