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

evopt
0.122

This version was deleted from PyPI around 2025-03-19. Installing fails with:
$ pip3 install evopt==0.122 ERROR: Could not find a version that satisfies the requirement evopt==0.122
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==0.122
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Or, download files manually

And install manually via pip:
evopt-0.122-py3-none-any.whl (25.9KB)
evopt-0.122.tar.gz (31.8KB)