def _call_service(self, action, variables):
        """Call the service specified in the action."""
        self.last_action = action.get(CONF_ALIAS, 'call service')
        self._log(self.last_action % "Executing step %s")
        service.call_from_config(self.hass, action, True, variables,
                                 validate_config=False)
dataset/ETHPy150Open home-assistant/home-assistant/homeassistant/helpers/script.py/Script._call_service/swapped operands of `%`