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

django-pgschemas
1.0.0a2

This version was deleted from PyPI around 2024-09-01. Installing fails with:
$ pip3 install django-pgschemas==1.0.0a2 ERROR: Could not find a version that satisfies the requirement django-pgschemas==1.0.0a2

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/2024-08-31/ \ django-pgschemas==1.0.0a2
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Or, download files manually

And install manually via pip: