stac-api-load-balancing
This package was deleted from PyPI around 2024-03-14. Installing fails with:
$ pip3 install stac-api-load-balancing
ERROR: Could not find a version that satisfies the requirement stac-api-load-balancing (from versions: none)
ERROR: No matching distribution found for stac-api-load-balancing

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/2024-03-13/ \
stac-api-load-balancing
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)