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

rxnn
0.2.77

This version was deleted from PyPI around 2025-09-17. Installing fails with:
$ pip3 install rxnn==0.2.77 ERROR: Could not find a version that satisfies the requirement rxnn==0.2.77
View other deleted versions of rxnn

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/2025-09-16/ \ rxnn==0.2.77
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
rxnn-0.2.77-py3-none-any.whl (92.7KB)
rxnn-0.2.77.tar.gz (92.9KB)