def normalize_indices(context, builder, index_types, indices):
    """
    Same as normalize_index(), but operating on sequences of
    index types and values.
    """
    if len(indices):
        index_types, indices = zip(*[normalize_index(context, builder, idxty,
                                                     idx)
                                     for idxty, idx in zip(index_types, indices)
                                     ])
    return index_types, indices

    Same as normalize_index(), but operating on sequences of
    index types and values.
    
numba/np/arrayobj.py