code: def outer_list_split(cls, s):
      return s.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 8 for calling the SerializationHelpers obj's underlying member method code with example usage: obj.outer_list_split(cls, s) and returns: s