src/transformers/models/sew/modeling_sew.py/SEWFeatureExtractor/__init__
class SEWFeatureExtractor:    def __init__(self, config):
        super().__init__(config)
        warnings.warn(
            f"The class `{self.__class__.__name__}` has been depreciated "
            "and will be removed in Transformers v5. "
            f"Use `{self.__class__.__bases__[0].__name__}` instead.",
            FutureWarning,
        )