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

gpplus
0.0.1.11

This version was deleted from PyPI around 2024-02-16. Installing fails with:
$ pip3 install gpplus==0.0.1.11 ERROR: Could not find a version that satisfies the requirement gpplus==0.0.1.11
View other deleted versions of gpplus

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/2024-02-15/ \ gpplus==0.0.1.11
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:
gpplus-0.0.1.11-py3-none-any.whl (71.6KB)
gpplus-0.0.1.11.tar.gz (50.7KB)