fix logging some more

backend.py

@@ -17,8 +17,8 @@ def shutdown():
 
 if __name__ == '__main__':
     logger = logging.getLogger("main")
+    logger.setLevel(logging.DEBUG)
     fh = logging.FileHandler('/var/log/ticketfrei/backend.log')
-    fh.setLevel(logging.DEBUG)
     formatter = logging.Formatter('%(asctime)s %(levelname)8s: %(message)s')
     fh.setFormatter(formatter)
     logger.addHandler(fh)