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

verta
0.13.8a6

This version was deleted from PyPI around 2024-05-31. Installing fails with:
$ pip3 install verta==0.13.8a6 ERROR: Could not find a version that satisfies the requirement verta==0.13.8a6
View other deleted versions of verta

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/2024-05-30/ \ verta==0.13.8a6
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Or, download files manually

And install manually via pip:
verta-0.13.8a6-py2.py3-none-any.whl (110.5KB)
verta-0.13.8a6.tar.gz (98.2KB)