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

gp4c
0.0.9

This version was deleted from PyPI around 2026-03-07. Installing fails with:
$ pip3 install gp4c==0.0.9 ERROR: Could not find a version that satisfies the requirement gp4c==0.0.9
View other deleted versions of gp4c

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/2026-03-06/ \ gp4c==0.0.9
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:
gp4c-0.0.9-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (5.2MB)
gp4c-0.0.9.tar.gz (153.1KB)