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

chem.mod

This package was deleted from PyPI around 2024-03-24. Installing fails with:
$ pip3 install chem.mod ERROR: Could not find a version that satisfies the requirement chem.mod (from versions: none) ERROR: No matching distribution found for chem.mod

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/2024-03-23/ \ chem.mod
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Or, download files manually

Choose a version to see all deleted wheels and files. We only show versions that have been deleted on PyPI.
0.0.1
0.0.2