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

mathmod
0.11rc1

This version was deleted from PyPI around 2024-07-03. Installing fails with:
$ pip3 install mathmod==0.11rc1 ERROR: Could not find a version that satisfies the requirement mathmod==0.11rc1
View other deleted versions of mathmod

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/2024-07-02/ \ mathmod==0.11rc1
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
mathmod-0.11rc1-py3-none-any.whl (20.5KB)
mathmod-0.11rc1.tar.gz (8.4KB)