shell-waitpid
This package was deleted from PyPI around 2024-08-17. Installing fails with:
$ pip3 install shell-waitpid
ERROR: Could not find a version that satisfies the requirement shell-waitpid (from versions: none)
ERROR: No matching distribution found for shell-waitpid

Install through StableBuild
You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)