code: def check_node() -> None:
      parser = argparse.ArgumentParser("check-node")
      parser.add_argument("node_pb", type=argparse.FileType("rb"))
      args = parser.parse_args()
  
      node = NodeProto()
      node.ParseFromString(args.node_pb.read())
      checker.check_node(node)
  
label_desc: Use image node_id 2 for calling a global function with example usage: check_node() without return types