You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
coolbox was reported malicious
OSV: - Malicious code in coolbox (PyPI)

coolbox

This package was deleted from PyPI around 2026-06-08. Installing fails with:
$ pip3 install coolbox ERROR: Could not find a version that satisfies the requirement coolbox (from versions: none) ERROR: No matching distribution found for coolbox

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/2026-06-07/ \ coolbox
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Or, download files manually

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