Unify uwsgi python

lehrpreis/handlers/main.yml

----
-# file: roles/lehrpreis/handlers/main.yml
-
-- name: reload systemd service files
-  command: systemctl daemon-reload
-
-- name: restart uwsgi for lehrpreis 
-  service: name=lehrpreis state=restarted enabled=yes
-
-- name: create tmpfiles
-  command: systemd-tmpfiles --create
-
-- name: recompile translations
-  command: ./bin/pybabel compile -d translations
-  args:
-    chdir: "{{ lehrpreis_web_root }}"