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

keqing-sword
0.6.20221120

This version was deleted from PyPI around 2023-11-03. Installing fails with:
$ pip3 install keqing-sword==0.6.20221120 ERROR: Could not find a version that satisfies the requirement keqing-sword==0.6.20221120
View other deleted versions of keqing-sword

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/2023-11-02/ \ keqing-sword==0.6.20221120
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Or, download files manually

And install manually via pip:
Keqing_Sword-0.6.20221120-py3-none-any.whl (12.5KB)
Keqing_Sword-0.6.20221120.tar.gz (10.2KB)