put-back-iterator
0.1.0a0
This version was deleted from PyPI around 2025-09-11. Installing fails with:
$ pip3 install put-back-iterator==0.1.0a0
ERROR: Could not find a version that satisfies the requirement put-back-iterator==0.1.0a0

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/2025-09-10/ \
put-back-iterator==0.1.0a0
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)