(.venv) partheniou@partheniou-vm-3:~/git/python-crc32c$ python setup.py check --restructuredtext --strict
#### using global install of 'crc32c'
##### sources: ['src/google_crc32c/_crc32c.c']
##### module kwargs: {}
/usr/local/google/home/partheniou/git/python-crc32c/.venv/lib/python3.12/site-packages/setuptools/dist.py:759: SetuptoolsDeprecationWarning: License classifiers are deprecated.
!!

        ********************************************************************************
        Please consider removing the following classifiers in favor of a SPDX license expression:

        License :: OSI Approved :: Apache Software License

        See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
        ********************************************************************************

!!
  self._finalize_license_expression()
running check
warning: check: Bullet list ends without a blank line; unexpected unindent. (line 27)

Compiling the C Extension for the crc32c library failed. Falling back to pure Python build.
/usr/local/google/home/partheniou/git/python-crc32c/.venv/lib/python3.12/site-packages/setuptools/dist.py:759: SetuptoolsDeprecationWarning: License classifiers are deprecated.
!!

        ********************************************************************************
        Please consider removing the following classifiers in favor of a SPDX license expression:

        License :: OSI Approved :: Apache Software License

        See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
        ********************************************************************************

!!
  self._finalize_license_expression()
running check
warning: check: Bullet list ends without a blank line; unexpected unindent. (line 27)

error: Please correct your package.