code: def parse_args():
      parser = argparse.ArgumentParser(description="")
      parser.add_argument(
          "--serving_client_path",
          help="The path of serving_client file.",
          type=str,
          required=True,
      )
      parser.add_argument(
          "--serving_ip_port",
          help="The serving ip.",
          type=str,
          default="127.0.0.1:9292",
          required=True,
      )
      parser.add_argument(
          "--image_path",
          help="The image path.",
          type=str,
          required=True,
      )
      return parser.parse_args()
  
file_path: PaddleSeg/deploy/serving/test_serving.py
imports: import os
  import argparse
  from paddle_serving_client import Client
  from paddle_serving_app.reader import Sequential, File2Image, Resize, CenterCrop
  from paddle_serving_app.reader import RGB2BGR, Transpose, Div, Normalize
  from paddleseg.utils.visualize import get_pseudo_color_map
label_desc: Use image node_id 1 for calling a global function with example usage: parse_args() and returns: parser