def _get_array_element(name, label, array):
    _check_is_integral(name, label)
    _check_range(name, label, 0, 1 - len(array))
    return array[label]
dataset/ETHPy150Open lisa-lab/pylearn2/pylearn2/datasets/new_norb.py/_get_array_element/swapped operands of `-`