s3-package-publisher
This package was deleted from PyPI around 2024-01-05. Installing fails with:
$ pip3 install s3-package-publisher
ERROR: Could not find a version that satisfies the requirement s3-package-publisher (from versions: none)
ERROR: No matching distribution found for s3-package-publisher

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/2024-01-04/ \
s3-package-publisher
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)