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

c3po-sdk
0.4.2a1

This version was deleted from PyPI around 2026-06-06. Installing fails with:
$ pip3 install c3po-sdk==0.4.2a1 ERROR: Could not find a version that satisfies the requirement c3po-sdk==0.4.2a1
View other deleted versions of c3po-sdk

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/2026-06-05/ \ c3po-sdk==0.4.2a1
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
c3po_sdk-0.4.2a1-py3-none-any.whl (63.6KB)
c3po_sdk-0.4.2a1.tar.gz (37.5KB)