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

signalrcore
0.9.6a2

This version was deleted from PyPI around 2026-01-20. Installing fails with:
$ pip3 install signalrcore==0.9.6a2 ERROR: Could not find a version that satisfies the requirement signalrcore==0.9.6a2
View other deleted versions of signalrcore

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/2026-01-19/ \ signalrcore==0.9.6a2
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:
signalrcore-0.9.6a2-py3-none-any.whl (37.3KB)
signalrcore-0.9.6a2.tar.gz (27.1KB)