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

flatpack
2.7.7

This version was deleted from PyPI around 2025-02-15. Installing fails with:
$ pip3 install flatpack==2.7.7 ERROR: Could not find a version that satisfies the requirement flatpack==2.7.7
View other deleted versions of flatpack

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/2025-02-14/ \ flatpack==2.7.7
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:
flatpack-2.7.7-py3-none-any.whl (16.8KB)
flatpack-2.7.7.tar.gz (13.5KB)