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

ubo-gui
0.13.15

This version was deleted from PyPI around 2025-05-16. Installing fails with:
$ pip3 install ubo-gui==0.13.15 ERROR: Could not find a version that satisfies the requirement ubo-gui==0.13.15
View other deleted versions of ubo-gui

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/2025-05-15/ \ ubo-gui==0.13.15
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:
ubo_gui-0.13.15-py3-none-any.whl (8.2MB)
ubo_gui-0.13.15.tar.gz (8.2MB)