def fit(self, X, y=None):
        return self
Return a list of actions that succeeded, in the same format as
dataset/ETHPy150Open alexandrebarachant/Grasp-and-lift-EEG-challenge/preprocessing/aux.py/SubSample.fit--crossover with--dataset/ETHPy150Open pyelasticsearch/pyelasticsearch/pyelasticsearch/exceptions.py/BulkError.successes