You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
aio-http-proxy-support was reported malicious
OSV:MAL-2024-4754 - Malicious code in aio-http-proxy-support (PyPI)

aio-http-proxy-support
1.0

This version was deleted from PyPI around 2024-02-21. Installing fails with:
$ pip3 install aio-http-proxy-support==1.0 ERROR: Could not find a version that satisfies the requirement aio-http-proxy-support==1.0
View other deleted versions of aio-http-proxy-support

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/2024-02-19/ \ aio-http-proxy-support==1.0
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
aio_http_proxy_support-1.0.tar.gz (7.5KB)