code: def run_from_parser(cls, parser):
      update_parser(
          parser=parser,
          class_with_attributes=cls,
      )
      result = read_parser(parser=parser, class_with_attributes=cls)
      assert isinstance(result, cls)
      return result
  
imports: import argparse
  import attr
  import copy
  import inspect
  import json
  import shlex
  import sys
  import pathlib
  from typing import Any, Tuple
  from jiant.utils.python.io import read_json
  from jiant.utils.python.datastructures import combine_dicts
label_desc: Use image node_id 2 for calling the RunConfig obj's underlying member method code with example usage: obj.run_from_parser(cls, parser) and returns: result