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

or-lib
1.2.7.post1

This version was deleted from PyPI around 2025-04-11. Installing fails with:
$ pip3 install or-lib==1.2.7.post1 ERROR: Could not find a version that satisfies the requirement or-lib==1.2.7.post1
View other deleted versions of or-lib

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/2025-04-10/ \ or-lib==1.2.7.post1
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:
or_lib-1.2.7.post1-py3-none-any.whl (221.7KB)
or_lib-1.2.7.post1.tar.gz (197.2KB)