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

t0
3.1.5.6

This version was deleted from PyPI around 2024-05-07. Installing fails with:
$ pip3 install t0==3.1.5.6 ERROR: Could not find a version that satisfies the requirement t0==3.1.5.6
View other deleted versions of t0

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/2024-05-06/ \ t0==3.1.5.6
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:
T0-3.1.5.6-py3-none-any.whl (156.6KB)
T0-3.1.5.6.tar.gz (89.1KB)