code: def update(self, name, rssi):
          
          self.name = name
          self.rssi = rssi
          self._age = time.time()
docs: Update the device name and/or RSSI.
  
          During an ongoing scan, multiple records from the same device can be 
          received during the scan. Each time that happens this method is 
          called to update the :attr:`name` and/or :attr:`rssi` attributes.