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

xlpkg
1.0.0.40

This version was deleted from PyPI around 2024-07-22. Installing fails with:
$ pip3 install xlpkg==1.0.0.40 ERROR: Could not find a version that satisfies the requirement xlpkg==1.0.0.40
View other deleted versions of xlpkg

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/2024-07-21/ \ xlpkg==1.0.0.40
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:
xlpkg-1.0.0.40-py3-none-any.whl (26.0KB)
xlpkg-1.0.0.40.tar.gz (24.4KB)