Update pipeline to check types and formatting

The pipeline-update, now with working types™.

Turns out that mypy can import classes that can't be imported at runtime. This made the previous attempt a failure, because I did not check that the service starts up with the changes.

requested review from @moser

assigned to @karp

approved this merge request

Pipeline passes, I think now with the tests we would be good to go (if you undraft it :D).

changed the description

marked this merge request as ready

mentioned in commit 9dd2ce33

merged