Fix project coding style errors
In https://lab.nexedi.com/nexedi/erp5/commit/935b39f93eff31fd7427a493d81237e396718de5 we accidentally enabled coding style test for erp5_project. Let's fix the current problems reported by coding style test.
In https://lab.nexedi.com/nexedi/erp5/commit/935b39f93eff31fd7427a493d81237e396718de5 we accidentally enabled coding style test for erp5_project. Let's fix the current problems reported by coding style test.