fix logging

src/app.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+import logging
 from flask import Flask
 from flask_restful import Api
 import sentry_sdk
@@ -85,6 +86,7 @@ def handle_status_message_proxy(*args, **kwargs):
     with app.app_context():
         handle_status_message(*args, **kwargs)
 
+
 api.add_resource(AllDevicesResource, "/devices")
 api.add_resource(AllDevicesOfflineResource, "/devices/offline")
 api.add_resource(AllDevicesOnlineResource, "/devices/online")