def METHOD_NAME(opts: Optional[Options] = None) -> int:
    if opts is None:
        opts = defaults
    addr, length = opts.color_table.buffer_info()
    if length != 256 or opts.color_table.typecode != 'L':
        raise TypeError(f'The color table has incorrect size length: {length} typecode: {opts.color_table.typecode}')
    return addr