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

magnum-pi
1.0

This version was deleted from PyPI around 2025-10-08. Installing fails with:
$ pip3 install magnum-pi==1.0 ERROR: Could not find a version that satisfies the requirement magnum-pi==1.0
View other deleted versions of magnum-pi

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/2025-10-07/ \ magnum-pi==1.0
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Or, download files manually

And install manually via pip:
magnum_pi-1.0-py2.7.egg (4.0KB)
magnum_pi-1.0-py27-none-any.whl (6.6KB)
magnum-pi-1.0.tar.gz (3.7KB)