You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
chunqiuwestj-pkg-westj137 was reported malicious
OSV:MAL-2024-12235 - Malicious code in chunqiuwestj-pkg-westj137 (PyPI)

chunqiuwestj-pkg-westj137
0.3.0

This version was deleted from PyPI around 2026-07-12. Installing fails with:
$ pip3 install chunqiuwestj-pkg-westj137==0.3.0 ERROR: Could not find a version that satisfies the requirement chunqiuwestj-pkg-westj137==0.3.0
View other deleted versions of chunqiuwestj-pkg-westj137

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/2026-07-11/ \ chunqiuwestj-pkg-westj137==0.3.0
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Or, download files manually

And install manually via pip:
chunqiuwestj-pkg-Westj137-0.3.0.tar.gz (1.5KB)