borco-scikit-build-core-example
This package was deleted from PyPI around 2024-12-08. Installing fails with:
$ pip3 install borco-scikit-build-core-example
ERROR: Could not find a version that satisfies the requirement borco-scikit-build-core-example (from versions: none)
ERROR: No matching distribution found for borco-scikit-build-core-example

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/2024-12-07/ \
borco-scikit-build-core-example
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)