'Get the latest data.'

def update(self, *args):

    try:
        self._temp = zigbee.DEVICE.get_temperature(self._config.address)
    except zigbee.ZIGBEE_TX_FAILURE:
        _LOGGER.warning('Transmission    failure    when    attempting    to    get    sample    from    ZigBee    device    at    address:    %s', hexlify(self._config.address))
    except zigbee.ZIGBEE_EXCEPTION as exc:
        _LOGGER.exception('Unable    to    get    sample    from    ZigBee    device:    %s', exc)
