code: def arg_json(p: ArgumentParser):
      p.add_argument(
          "--json",
          required=False,
          default=False,
          action="store_true",
          help="Return result in JSON format.",
      )
  
imports: from argparse import SUPPRESS, ArgumentParser
  from sklearn_porter import __version__
label_desc: Use image node_id 5 for calling a global function with example usage: arg_json(p) without return types