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

halc
0.22.1

This version was deleted from PyPI around 2024-03-12. Installing fails with:
$ pip3 install halc==0.22.1 ERROR: Could not find a version that satisfies the requirement halc==0.22.1
View other deleted versions of halc

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/2024-03-11/ \ halc==0.22.1
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:
halc-0.22.1.tar.gz (8.7KB)