ppm-setuptools-engine
This package was deleted from PyPI around 2024-03-30. Installing fails with:
$ pip3 install ppm-setuptools-engine
ERROR: Could not find a version that satisfies the requirement ppm-setuptools-engine (from versions: none)
ERROR: No matching distribution found for ppm-setuptools-engine

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/2024-03-29/ \
ppm-setuptools-engine
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)