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

ats-utilities
2.5.5

This version was deleted from PyPI around 2023-11-30. Installing fails with:
$ pip3 install ats-utilities==2.5.5 ERROR: Could not find a version that satisfies the requirement ats-utilities==2.5.5
View other deleted versions of ats-utilities

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/2023-11-29/ \ ats-utilities==2.5.5
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:
ats_utilities-2.5.5-py2-none-any.whl (108.2KB)
ats_utilities-2.5.5-py3-none-any.whl (120.2KB)
ats_utilities-2.5.5.tar.gz (42.9KB)