def _load_sensors(sensors_elm) -> List[Sensor]:
    return [Sensor.from_xml_element(sensor_elm) for sensor_elm in sensors_elm.iterchildren(tag='Sensor')]
def _load_sensors(sensors_elm) -> List[Sensor]:
    return [Sensor.from_xml_element(sensor_elm) for sensor_elm in sensors_elm.iterchildren(tag='Sensor')]