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

appgen
0.2.2

This version was deleted from PyPI around 2025-08-10. Installing fails with:
$ pip3 install appgen==0.2.2 ERROR: Could not find a version that satisfies the requirement appgen==0.2.2
View other deleted versions of appgen

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/2025-08-09/ \ appgen==0.2.2
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:
appgen-0.2.2-py3-none-any.whl (65.2KB)
appgen-0.2.2.tar.gz (45.3KB)