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

fastbill
0.5.0

This version was deleted from PyPI around 2024-06-16. Installing fails with:
$ pip3 install fastbill==0.5.0 ERROR: Could not find a version that satisfies the requirement fastbill==0.5.0
View other deleted versions of fastbill

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/2024-06-15/ \ fastbill==0.5.0
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Or, download files manually

And install manually via pip:
fastbill-0.5.0.tar.gz (4.9KB)