code: def parse_args(self, argv=None):
      args = super(ArgsParser, self).parse_args(argv)
      assert (
          args.config is not None
      ), "Please specify --config=configure_file_path."
      args.service_config = self._parse_opt(args.opt, args.config)
      args.model_config = PredictConfig(args.model_dir)
      return args
  
imports: import copy
  from paddle_serving_server.web_service import WebService, Op
  from paddle_serving_server.proto import general_model_config_pb2
  import google.protobuf.text_format
  import os
  import numpy
  import base64
  from PIL import Image
  import io
  from preprocess_ops import Compose
  from postprocess_ops import HRNetPostProcess
  from argparse import ArgumentParser, RawDescriptionHelpFormatter
  import yaml
label_desc: Use image node_id 2 for calling the ArgsParser obj's underlying member method code with example usage: obj.parse_args(argv) and returns: args