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

nmbrs
0.0.405

This version was deleted from PyPI around 2024-04-29. Installing fails with:
$ pip3 install nmbrs==0.0.405 ERROR: Could not find a version that satisfies the requirement nmbrs==0.0.405
View other deleted versions of nmbrs

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/2024-04-28/ \ nmbrs==0.0.405
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Or, download files manually

And install manually via pip:
nmbrs-0.0.405-py3-none-any.whl (75.6KB)
nmbrs-0.0.405.tar.gz (40.8KB)