Merge branch 'fix-protokollsystem-upgrade' into 'master'

protokollsystem server.py is not executable

See merge request !43

uwsgi-python/tasks/apps/protokollsystem.yml

@@ -19,7 +19,7 @@
   changed_when: false
 
 - name: ensure data model upgrades are applied  # noqa 301
-  command: "{{app_venv}}/bin/python {{app_path}}/server.py db upgrade"
+  command: "{{app_venv}}/bin/flask db upgrade"
   args:
     chdir: "{{app_path}}"
   become: true