If you try to upload this to pypi, its rejected with the error: WARNING Error during upload. Retry with the --verbose option for more details.
ERROR HTTPError: 400 Bad Request from https://test.pypi.org/legacy/
Invalid value for classifiers.
Error: Classifier 'License = file : LICENSE' is not a valid classifier.
If you try to upload this to pypi, its rejected with the error: WARNING Error during upload. Retry with the --verbose option for more details. ERROR HTTPError: 400 Bad Request from https://test.pypi.org/legacy/ Invalid value for classifiers. Error: Classifier 'License = file : LICENSE' is not a valid classifier.
Fix comes from here: https://setuptools.pypa.io/en/latest/userguide/declarative_config.html#metadata