How to use the homematicip.aio.device.AsyncDevice function in homematicip

def device_state_attributes(self) -> Dict[str, Any]:
        """Return the state attributes of the generic device."""
        state_attr = {}

        if isinstance(self._device, AsyncDevice):
            for attr, attr_key in DEVICE_ATTRIBUTES.items():
                attr_value = getattr(self._device, attr, None)
                if attr_value:
                    state_attr[attr_key] = attr_value

            state_attr[ATTR_IS_GROUP] = False

        if isinstance(self._device, AsyncGroup):
            for attr, attr_key in GROUP_ATTRIBUTES.items():
                attr_value = getattr(self._device, attr, None)
                if attr_value:
                    state_attr[attr_key] = attr_value

            state_attr[ATTR_IS_GROUP] = True

        return state_attr