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

cupel
0.1.52

This version was deleted from PyPI around 2026-04-08. Installing fails with:
$ pip3 install cupel==0.1.52 ERROR: Could not find a version that satisfies the requirement cupel==0.1.52
View other deleted versions of cupel

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/2026-04-07/ \ cupel==0.1.52
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:
cupel-0.1.52-py3-none-any.whl (651.6KB)
cupel-0.1.52.tar.gz (919.5KB)