code: def init_args():
      parser = argparse.ArgumentParser()
      parser.add_argument("--image_dir", type=str, default="")
      parser.add_argument(
          "--save_html_path", type=str, default="./default.html"
      )
      parser.add_argument("--width", type=int, default=640)
      return parser
  
imports: import os
  import argparse
label_desc: Use image node_id 2 for calling a global function with example usage: init_args() and returns: parser