pyrecdp
1.6.1b2023110104
This version was deleted from PyPI around 2024-01-24. Installing fails with:
$ pip3 install pyrecdp==1.6.1b2023110104
ERROR: Could not find a version that satisfies the requirement pyrecdp==1.6.1b2023110104

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/2024-01-23/ \
pyrecdp==1.6.1b2023110104
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)