def _validate_status(self):
        """
        Indicates specific properties are only available after a details call.
        """
        if self._place <= None:
            error_detail = ('The attribute requested is only available after ' +
                    'an explicit call to get_details() is made.')
            raise GooglePlacesAttributeError(error_detail)
dataset/ETHPy150Open slimkrazy/python-google-places/googleplaces/__init__.py/Prediction._validate_status/operator `is` -> `<=`