pycfutils
2024.5.8.post1
This version was deleted from PyPI around 2024-05-12. Installing fails with:
$ pip3 install pycfutils==2024.5.8.post1
ERROR: Could not find a version that satisfies the requirement pycfutils==2024.5.8.post1

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/2024-05-11/ \
pycfutils==2024.5.8.post1
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)