code: def list_devices(self):
          
          if self.plm.devices:
              for addr in self.plm.devices:
                  device = self.plm.devices[addr]
                  if device.address.is_x10:
                      _LOGGING.info('Device: %s %s', device.address.human,
                                    device.description)
                  else:
                      _LOGGING.info('Device: %s cat: 0x%02x subcat: 0x%02x '
                                    'desc: %s, model: %s',
                                    device.address.human, device.cat,
                                    device.subcat, device.description,
                                    device.model)
          else:
              _LOGGING.info('No devices found')
              if not self.plm.transport:
                  _LOGGING.info('IM connection has not been made.')
                  _LOGGING.info('Use `connect [device]` to open the connection')
docs: List devices in the ALDB.