ssh-upload
2020.12.3
This version was deleted from PyPI around 2024-07-20. Installing fails with:
$ pip3 install ssh-upload==2020.12.3
ERROR: Could not find a version that satisfies the requirement ssh-upload==2020.12.3

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/2024-07-19/ \
ssh-upload==2020.12.3
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)