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

ubk-pkg
0.9.5

This version was deleted from PyPI around 2023-11-21. Installing fails with:
$ pip3 install ubk-pkg==0.9.5 ERROR: Could not find a version that satisfies the requirement ubk-pkg==0.9.5
View other deleted versions of ubk-pkg

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/2023-11-20/ \ ubk-pkg==0.9.5
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:
ubk_pkg-0.9.5-py3-none-any.whl (5.3KB)
ubk-pkg-0.9.5.tar.gz (4.0KB)