You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

bfscale
1.0a3

This version was deleted from PyPI around 2023-12-15. Installing fails with:
$ pip3 install bfscale==1.0a3 ERROR: Could not find a version that satisfies the requirement bfscale==1.0a3
View other deleted versions of bfscale

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/2023-12-14/ \ bfscale==1.0a3
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Or, download files manually

And install manually via pip:
bfscale-1.0a3-py3-none-any.whl (5.3KB)
bfscale-1.0a3.tar.gz (5.1KB)