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

magnum-pi
1.1

This version was deleted from PyPI around 2025-10-08. Installing fails with:
$ pip3 install magnum-pi==1.1 ERROR: Could not find a version that satisfies the requirement magnum-pi==1.1
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==1.1
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Or, download files manually

And install manually via pip:
magnum_pi-1.1-py2.7.egg (7.0KB)
magnum_pi-1.1-py27-none-any.whl (6.7KB)
magnum-pi-1.1.tar.gz (3.5KB)