UCS 5.0 Update problem with python-ucr-template-compatibility

Hey there.

So I know there’s already a thread about the general topic but the template I’m having issues with is not listed:

The following UCR templates are not compatible with Python 3:
See https://help.univention.com/t/17948 for information on how to proceed with each template.

The help page leads to the thread mentioned above. I am fairly new to Univention and don’t know how to proceed. Any help is appreciated!