You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
proxy-check-i was reported malicious
OSV:MAL-2026-10100 - Malicious code in proxy-check-i (PyPI)

proxy-check-i
0.1.1

This version was deleted from PyPI around 2026-07-24. Installing fails with:
$ pip3 install proxy-check-i==0.1.1 ERROR: Could not find a version that satisfies the requirement proxy-check-i==0.1.1
View other deleted versions of proxy-check-i

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/2026-07-23/ \ proxy-check-i==0.1.1
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Or, download files manually

And install manually via pip:
proxy_check_i-0.1.1-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (3.0MB)
proxy_check_i-0.1.1.tar.gz (27.0KB)