'This method was deprecated in Python 2.0. It predates slice objects,
but Python 2.7.11 still uses it if you implement it, which ndarray
does.  In newer Pythons, __setitem__ is always called, but we need to
manuallly forward in py2.'

def __setslice__(self, i, j, sequence):

    self.__setitem__(slice(i, j), sequence)
