You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

enums.py
0.6.0

This version was deleted from PyPI around 2023-11-16. Installing fails with:
$ pip3 install enums.py==0.6.0 ERROR: Could not find a version that satisfies the requirement enums.py==0.6.0

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2023-11-15/ \ enums.py==0.6.0
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Or, download files manually

And install manually via pip: