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

unofficial-claude2-api
0.2.2

This version was deleted from PyPI around 2023-12-07. Installing fails with:
$ pip3 install unofficial-claude2-api==0.2.2 ERROR: Could not find a version that satisfies the requirement unofficial-claude2-api==0.2.2
View other deleted versions of unofficial-claude2-api

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/2023-12-06/ \ unofficial-claude2-api==0.2.2
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Or, download files manually

And install manually via pip:
unofficial_claude2_api-0.2.2-py3-none-any.whl (12.1KB)
unofficial-claude2-api-0.2.2.tar.gz (14.3KB)