You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
aoohttp was reported malicious
OSV:MAL-2026-37 - Malicious code in aoohttp (PyPI)

aoohttp
3.13.3

This version was deleted from PyPI around 2026-01-06. Installing fails with:
$ pip3 install aoohttp==3.13.3 ERROR: Could not find a version that satisfies the requirement aoohttp==3.13.3
View other deleted versions of aoohttp

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/2026-01-05/ \ aoohttp==3.13.3
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Or, download files manually

And install manually via pip:
aoohttp-3.13.3-py3-none-any.whl (2.7KB)
aoohttp-3.13.3.tar.gz (2.5KB)