'Check the contents of the map list.'

@Throttle(timedelta(seconds=10))
def update(self):

    self.neato.update_robots()
    image_url = None
    map_data = self.hass.data[NEATO_MAP_DATA]
    image_url = map_data[self._robot_serial]['maps'][0]['url']
    if (image_url == self._image_url):
        _LOGGER.debug('The    map    image_url    is    the    same    as    old')
        return
    image = self.neato.download_map(image_url)
    self._image = image.read()
    self._image_url = image_url
