Cleo's exceptions end in the suffix *Exception. PEP8 stipulates that exceptions should end in the suffix *Error. The pep8-naming flake8 extension is installed as a pre-commit hook, but is not triggering (for some reason).

see https://peps.python.org/pep-0008/#exception-names