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

owlplanner
2026.4.27

This version was deleted from PyPI around 2026-06-17. Installing fails with:
$ pip3 install owlplanner==2026.4.27 ERROR: Could not find a version that satisfies the requirement owlplanner==2026.4.27
View other deleted versions of owlplanner

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/2026-06-16/ \ owlplanner==2026.4.27
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:
owlplanner-2026.4.27-py3-none-any.whl (261.5KB)
owlplanner-2026.4.27.tar.gz (16.6MB)