Fix style errors and force pep8 ci to succeed
Fix all style errors in Postorius and enforce merge requests to adhere to pep8 style from now on. Existing merge requests should either be rebased of master to make sure no new errors are introduced.
Fix all style errors in Postorius and enforce merge requests to adhere to pep8 style from now on. Existing merge requests should either be rebased of master to make sure no new errors are introduced.