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

onc-toolbox
0.0.3

This version was deleted from PyPI around 2025-12-23. Installing fails with:
$ pip3 install onc-toolbox==0.0.3 ERROR: Could not find a version that satisfies the requirement onc-toolbox==0.0.3
View other deleted versions of onc-toolbox

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/2025-12-22/ \ onc-toolbox==0.0.3
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:
onc_toolbox-0.0.3-py3-none-any.whl (15.6KB)
onc_toolbox-0.0.3.tar.gz (13.7KB)