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

codegen
1.22.1

This version was deleted from PyPI around 2025-03-04. Installing fails with:
$ pip3 install codegen==1.22.1 ERROR: Could not find a version that satisfies the requirement codegen==1.22.1
View other deleted versions of codegen

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/2025-03-03/ \ codegen==1.22.1
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Or, download files manually

And install manually via pip:
codegen-1.22.1-py3-none-any.whl (68.5KB)
codegen-1.22.1.tar.gz (42.6KB)