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

yac
0.1

This version was deleted from PyPI around 2026-08-06. Installing fails with:
$ pip3 install yac==0.1 ERROR: Could not find a version that satisfies the requirement yac==0.1
View other deleted versions of yac

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/2026-08-05/ \ yac==0.1
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:
yac-0.1-py2.7.egg (7.5KB)
yac-0.1.tar.gz (4.6KB)