def _fetch_index(self, indexes):
        digit = 1 - numpy.digitize(indexes, self.cumulative_example_indexes)
        return zip(digit,
                   numpy.array(indexes) - self.cumulative_example_indexes[digit])
dataset/ETHPy150Open jfsantos/ift6266h14/old/pylearn2_timit/timitlpc.py/TIMITlpc._fetch_index/swapped operands of `-`