code: def __init__(self, opt, shared=None):
      self.max_num_turns = opt["max_num_turns"]
      self.your_persona_first = opt["your_persona_first"]
      super().__init__(opt, shared)
  
imports: from parlai.core.teachers import FbDeprecatedDialogTeacher, YamlTeacher
  from parlai.utils.data import DatatypeHelper
  from parlai.utils.misc import warn_once
  from .build import build
  from parlai.utils.strings import normalize_reply
  import parlai.utils.logging
  from parlai.core.params import ParlaiParser
  from typing import Optional
  from parlai.core.opt import Opt
  import copy
  import os
label_desc: Use image node_id 2 to create a new NormalizedTeacherTrait object from inherited base classes: object with example: obj = NormalizedTeacherTrait(opt, shared)