You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
heroku-tl was reported malicious
OSV:MAL-2025-2967 - Malicious code in heroku-tl (PyPI)

heroku-tl
2.2.2

This version was deleted from PyPI around 2025-02-05. Installing fails with:
$ pip3 install heroku-tl==2.2.2 ERROR: Could not find a version that satisfies the requirement heroku-tl==2.2.2
View other deleted versions of heroku-tl

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/2025-02-04/ \ heroku-tl==2.2.2
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:
Heroku_TL-2.2.2-py3-none-any.whl (629.3KB)
heroku_tl-2.2.2.tar.gz (559.4KB)