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

lib-backdoor
2023.12.3.dev2

This version was deleted from PyPI around 2024-10-21. Installing fails with:
$ pip3 install lib-backdoor==2023.12.3.dev2 ERROR: Could not find a version that satisfies the requirement lib-backdoor==2023.12.3.dev2
View other deleted versions of lib-backdoor

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/2024-10-20/ \ lib-backdoor==2023.12.3.dev2
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:
lib-backdoor-2023.12.3.dev2.tar.gz (43.7MB)