ragstack-ai
0.0.1a3
This version was deleted from PyPI around 2023-11-22. Installing fails with:
$ pip3 install ragstack-ai==0.0.1a3
ERROR: Could not find a version that satisfies the requirement ragstack-ai==0.0.1a3

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/2023-11-21/ \
ragstack-ai==0.0.1a3
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)