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

tratools
0.0.4.dev0

This version was deleted from PyPI around 2024-09-30. Installing fails with:
$ pip3 install tratools==0.0.4.dev0 ERROR: Could not find a version that satisfies the requirement tratools==0.0.4.dev0
View other deleted versions of tratools

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/2024-09-29/ \ tratools==0.0.4.dev0
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Or, download files manually

And install manually via pip:
tratools-0.0.4.dev0-py3-none-any.whl (25.2KB)
tratools-0.0.4.dev0.tar.gz (23.6KB)