def __init__(self, classifier: "CLASSIFIER_TYPE") -> None:
        """
        Create an instance of the neural cleanse defence.

        :param classifier: A trained classifier.
        """
        super().__init__(classifier=classifier)
        self._is_fitted = False
        self._check_params()

        Create an instance of the neural cleanse defence.

        :param classifier: A trained classifier.
        
art/defences/transformer/poisoning/neural_cleanse.py