code: def __init__(self, opt, shared=None):
      opt = copy.deepcopy(opt)
      opt["parlaidialogteacher_datafile"] = _processed_data_path(opt)
      super().__init__(opt, shared)
  
imports: import copy
  import os
  import random
  import re
  from collections import defaultdict
  from typing import List, Optional, Dict, Tuple
  from parlai.core.opt import Opt
  from parlai.core.teachers import ParlAIDialogTeacher, create_task_agent_from_taskname
  from parlai.tasks.convai2.agents import BothTeacher
  from parlai.tasks.empathetic_dialogues.agents import EmpatheticDialoguesTeacher
  from parlai.tasks.wizard_of_wikipedia.agents import WizardDialogKnowledgeTeacher
  from parlai.utils.misc import warn_once
  from parlai.utils.io import PathManager
  from .build import build
label_desc: Use image node_id 1 to create a new BlendedSkillTalkTeacher object from inherited base classes: ParlAIDialogTeacher with example: obj = BlendedSkillTalkTeacher(opt, shared)