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

csvpath
0.0.45

This version was deleted from PyPI around 2024-08-11. Installing fails with:
$ pip3 install csvpath==0.0.45 ERROR: Could not find a version that satisfies the requirement csvpath==0.0.45

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/2024-08-10/ \ csvpath==0.0.45
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Or, download files manually

And install manually via pip: