You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
karma-jasmine-sinon was reported malicious
OSV:MAL-2025-6532 - Malicious code in karma-jasmine-sinon (PyPI)

karma-jasmine-sinon

This package was deleted from PyPI around 2025-06-10. Installing fails with:
$ pip3 install karma-jasmine-sinon ERROR: Could not find a version that satisfies the requirement karma-jasmine-sinon (from versions: none) ERROR: No matching distribution found for karma-jasmine-sinon

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/2025-06-09/ \ karma-jasmine-sinon
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

Choose a version to see all deleted wheels and files. We only show versions that have been deleted on PyPI.
2.1.1