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

nrpy
0.1

This version was deleted from PyPI around 2023-10-05. Installing fails with:
$ pip3 install nrpy==0.1 ERROR: Could not find a version that satisfies the requirement nrpy==0.1
View other deleted versions of nrpy

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/2023-10-04/ \ nrpy==0.1
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Or, download files manually

And install manually via pip:
nrpy-0.1-py3-none-any.whl (220.8KB)
nrpy-0.1.tar.gz (183.5KB)