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

pydecision
4.8.4

This version was deleted from PyPI around 2026-02-20. Installing fails with:
$ pip3 install pydecision==4.8.4 ERROR: Could not find a version that satisfies the requirement pydecision==4.8.4
View other deleted versions of pydecision

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/2026-02-19/ \ pydecision==4.8.4
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Or, download files manually

And install manually via pip:
pydecision-4.8.4-py3-none-any.whl (128.3KB)
pydecision-4.8.4.tar.gz (74.3KB)