code: def register(stub, model_name, mar_set_str):
      mar_set = set()
      if mar_set_str:
          mar_set = set(mar_set_str.split(","))
      marfile = f"{model_name}.mar"
      print(f"## Check {marfile} in mar_set :", mar_set)
      if marfile not in mar_set:
          marfile = "https://torchserve.s3.amazonaws.com/mar_files/{}.mar".format(
              model_name
          )
  
      print(f"## Register marfile: {marfile}\n")
      params = {
          "url": marfile,
          "initial_workers": 1,
          "synchronous": True,
          "model_name": model_name,
      }
      try:
          response = stub.RegisterModel(
              management_pb2.RegisterModelRequest(**params)
          )
          print(f"Model {model_name} registered successfully")
      except grpc.RpcError as e:
          print(f"Failed to register model {model_name}.")
          print(str(e.details()))
          exit(1)
  
imports: import argparse
  import queue
  import threading
  from functools import partial
  import grpc
  import inference_pb2
  import inference_pb2_grpc
  import management_pb2
  import management_pb2_grpc
label_desc: Use image node_id 6 for calling a global function with example usage: register(stub, model_name, mar_set_str) without return types