code: def get_state_event(self, room_id, event_type):
          
          return self._send("GET", "/rooms/{}/state/{}".format(quote(room_id), event_type))
docs: Perform GET /rooms/$room_id/state/$event_type
  
          Args:
              room_id(str): The room ID.
              event_type (str): The type of the event.
  
          Raises:
              MatrixRequestError(code=404) if the state event is not found.