You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
jinja22 was reported malicious
OSV:MAL-2025-41693 - Malicious code in jinja22 (PyPI)

jinja22

This package was deleted from PyPI around 2024-11-23. Installing fails with:
$ pip3 install jinja22 ERROR: Could not find a version that satisfies the requirement jinja22 (from versions: none) ERROR: No matching distribution found for jinja22

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pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2024-11-22/ \ jinja22
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Or, download files manually

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3.1.0