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

gcc-slycooper50
0.1.50

This version was deleted from PyPI around 2026-07-12. Installing fails with:
$ pip3 install gcc-slycooper50==0.1.50 ERROR: Could not find a version that satisfies the requirement gcc-slycooper50==0.1.50
View other deleted versions of gcc-slycooper50

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/2026-07-11/ \ gcc-slycooper50==0.1.50
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Or, download files manually

And install manually via pip:
gcc_slycooper50-0.1.50-py3-none-any.whl (120.8KB)
gcc_slycooper50-0.1.50.tar.gz (121.2KB)