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

evopt
0.137

This version was deleted from PyPI around 2025-03-19. Installing fails with:
$ pip3 install evopt==0.137 ERROR: Could not find a version that satisfies the requirement evopt==0.137
View other deleted versions of evopt

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/2025-03-18/ \ evopt==0.137
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:
evopt-0.137-py3-none-any.whl (64.5KB)
evopt-0.137.tar.gz (1.3MB)