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

passagemath-topcom
10.5.12

This version was deleted from PyPI around 2025-09-16. Installing fails with:
$ pip3 install passagemath-topcom==10.5.12 ERROR: Could not find a version that satisfies the requirement passagemath-topcom==10.5.12

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/2025-09-15/ \ passagemath-topcom==10.5.12
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