Merge pull request 'Update daemons/worker.py' (#35) from master into prod

Reviewed-on: #35

daemons/worker.py

@@ -118,6 +118,8 @@ class Daemon(base.BaseDaemon, queues.TasksHandlerMixin):
             set_values(message.chat.id, state="set_probability")
 
     def process(self, payload):
+        if not message.text:
+            return
         message: Message = Message.de_json(json.dumps(payload))
         if message.text.startswith('/'):
             self.process_command(message)