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

cifkit
0.20

This version was deleted from PyPI around 2025-05-10. Installing fails with:
$ pip3 install cifkit==0.20 ERROR: Could not find a version that satisfies the requirement cifkit==0.20
View other deleted versions of cifkit

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/2025-05-09/ \ cifkit==0.20
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:
cifkit-0.20-py3-none-any.whl (35.6KB)
cifkit-0.20.tar.gz (26.8KB)