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

regard-cli
0.15.0rc23

This version was deleted from PyPI around 2026-04-20. Installing fails with:
$ pip3 install regard-cli==0.15.0rc23 ERROR: Could not find a version that satisfies the requirement regard-cli==0.15.0rc23
View other deleted versions of regard-cli

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/2026-04-19/ \ regard-cli==0.15.0rc23
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Or, download files manually

And install manually via pip:
regard_cli-0.15.0rc23-py3-none-any.whl (103.3KB)
regard_cli-0.15.0rc23.tar.gz (396.7KB)