#NEWLINE# def fit( self , X , y = None ) : #NEWLINE# #INDENT# 'Fit the model to X.\n\n        Parameters\n        ----------\n        X : array-like, shape (n_samples, n_features)\n            Training data, where n_samples is the number of samples\n            and n_features is the number of features.\n\n        Returns\n        -------\n        self\n        ' #NEWLINE# self . _fit ( X , compute_sources = False ) #NEWLINE# return self