code: def inner_list_split(cls, s):
      if len(s) < 1:
          return s
      if s[0] == "{":  # for case when we're json serializing a dict
          return s
      split = s.split(", ")
      if len(split) == 1:
          return split[0]
      return set(split)
  
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 3 for calling the SerializationHelpers obj's underlying member method code with example usage: obj.inner_list_split(cls, s) and returns: set, s, s, split