code: def get_device(self, id=None):
          
          if id is None:
              if not self.devices:
                  raise ValueError('No default device for %s' % self.hardware_id)
              id, (device, version) = sorted(self.devices.items())[0]
  
          elif id in self.devices:
              device, version = self.devices[id]
  
          else:
              error = 'Unable to find device with ID %s' % id
              log.error(error)
              raise ValueError(error)
  
          log.info("Using COM Port: %s, Device ID: %s, Device Ver: %s",
                   device, id, version)
          return id, device, version
docs: Returns details of either the first or specified device
  
          :param int id: Identifier of desired device. If not given, first device
              found will be returned
  
          :returns tuple: Device ID, Device Address, Firmware Version