src/transformers/pipelines/zero_shot_classification.py/ZeroShotClassificationPipeline/_sanitize_parameters
class ZeroShotClassificationPipeline:    def _sanitize_parameters(self, **kwargs):
        if kwargs.get("multi_class", None) is not None:
            kwargs["multi_label"] = kwargs["multi_class"]
            logger.warning(
                "The `multi_class` argument has been deprecated and renamed to `multi_label`. "
                "`multi_class` will be removed in a future version of Transformers."
            )
        preprocess_params = {}
        if "candidate_labels" in kwargs:
            preprocess_params["candidate_labels"] = self._args_parser._parse_labels(kwargs["candidate_labels"])
        if "hypothesis_template" in kwargs:
            preprocess_params["hypothesis_template"] = kwargs["hypothesis_template"]

        postprocess_params = {}
        if "multi_label" in kwargs:
            postprocess_params["multi_label"] = kwargs["multi_label"]
        return preprocess_params, {}, postprocess_params