tf2-hitsound-manager
This package was deleted from PyPI around 2025-07-07. Installing fails with:
$ pip3 install tf2-hitsound-manager
ERROR: Could not find a version that satisfies the requirement tf2-hitsound-manager (from versions: none)
ERROR: No matching distribution found for tf2-hitsound-manager

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/2025-07-06/ \
tf2-hitsound-manager
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)