def fit(self, X, y=None):
        """Fit Preprocessing to X.

        Parameters
        ----------
        sequence : array-like, [sequence_length, n_features]
            A multivariate timeseries.
        y : None
            Ignored

        Returns
        -------
        self
        """
        return self.partial_fit(np.concatenate(X, axis=0))
Fit Preprocessing to X.

        Parameters
        ----------
        sequence : array-like, [sequence_length, n_features]
            A multivariate timeseries.
        y : None
            Ignored

        Returns
        -------
        self