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

skk
2025.8.23

This version was deleted from PyPI around 2025-11-29. Installing fails with:
$ pip3 install skk==2025.8.23 ERROR: Could not find a version that satisfies the requirement skk==2025.8.23
View other deleted versions of skk

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/2025-11-28/ \ skk==2025.8.23
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:
skk-2025.8.23-py3-none-any.whl (475.1KB)
skk-2025.8.23.tar.gz (414.8KB)