docs: def chunks(seq, chunk_size):
      # type: (Sequence[T], int) -> Iterable[Sequence[T]]
      """ Split seq into chunk_size-sized chunks.
  
          :param seq: A sequence to chunk.
          :param chunk_size: The size of chunk.
      """
      return (seq[i:i + chunk_size] for i in range(0, len(seq), chunk_size))