code: def str_to_goals(cls, s):  # convenience
      return SerializationHelpers.str_to_list_of_maps(s)
  
imports: from enum import Enum
  from typing import List, Dict
  from dataclasses import dataclass, field
  from collections.abc import Iterable
  from parlai.utils.misc import warn_once
label_desc: Use image node_id 11 for calling the SerializationHelpers obj's underlying member method code with example usage: obj.str_to_goals(cls, s) and returns: SerializationHelpers