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

aiohttp-test-test
4.0.0a2.dev0

This version was deleted from PyPI around 2026-04-14. Installing fails with:
$ pip3 install aiohttp-test-test==4.0.0a2.dev0 ERROR: Could not find a version that satisfies the requirement aiohttp-test-test==4.0.0a2.dev0
View other deleted versions of aiohttp-test-test

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/2026-04-13/ \ aiohttp-test-test==4.0.0a2.dev0
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Or, download files manually

And install manually via pip:
aiohttp_test_test-4.0.0a2.dev0.tar.gz (1.1MB)