GeoCAT-examples provides a gallery of visualization examples demonstrating how to reproduce plots from NCL Applications scripts with packages in Python. It also includes some longer form examples demonstrating how to use functionality from various GeoCAT packages.
See here: https://github.com/NCAR/geocat-examples/actions/runs/8319338646/job/22762493800
At first glance it looks like something that needs to be fixed upstream.