How to use the pywemo.ouimeaux_device.switch.Switch.subscription_update function in pywemo

def subscription_update(self, _type, _params):
        """Handle reports from device."""
        if _type == "attributeList":
            self._attributes.update(attribute_xml_to_dict(_params))
            self._state = self.mode
            return True

        return Switch.subscription_update(self, _type, _params)

def subscription_update(self, _type, _params):
        """Update the device attributes due to a subscription update event."""
        LOG.debug("subscription_update %s %s", _type, _params)
        if _type == "InsightParams":
            self.insight_params = self.parse_insight_params(_params)
            return True
        return Switch.subscription_update(self, _type, _params)

def subscription_update(self, _type, _params):
        """Handle reports from device."""
        if _type == "attributeList":
            self._attributes.update(attribute_xml_to_dict(_params))
            self._state = self.fan_mode

            return True

        return Switch.subscription_update(self, _type, _params)