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

Pytonium
0.0.9

This version was deleted from PyPI around 2023-09-30. Installing fails with:
$ pip3 install Pytonium==0.0.9 ERROR: Could not find a version that satisfies the requirement Pytonium==0.0.9
View other deleted versions of Pytonium

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/2023-09-29/ \ Pytonium==0.0.9
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Or, download files manually

And install manually via pip:
Pytonium-0.0.9-cp311-cp311-win_amd64.whl (102.8MB)
Pytonium-0.0.9.tar.gz (171.8MB)