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

gregorian
0.0.9

This version was deleted from PyPI around 2023-11-21. Installing fails with:
$ pip3 install gregorian==0.0.9 ERROR: Could not find a version that satisfies the requirement gregorian==0.0.9
View other deleted versions of gregorian

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/2023-11-20/ \ gregorian==0.0.9
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Or, download files manually

And install manually via pip:
gregorian-0.0.9-py3-none-any.whl (10.7KB)
gregorian-0.0.9.tar.gz (10.3KB)