code: def __init__(self, opt, shared=None):
      self.fold = DatatypeHelper.fold(opt["datatype"])
      build(opt)
      opt["datafile"] = os.path.join(
          opt["datapath"],
          "proof_writer",
          "proofwriter-dataset-V2020.12.3",
      )
      self.proofwriter_random = random.Random(42)
      super().__init__(opt, shared)
  
imports: import json
  import os
  import copy
  import random
  import re
  from typing import Optional, List, Tuple
  from tasks.reasoning.agents import StepByStepReasoningTeacher
  from .build import build
  from parlai.core.message import Message
  from parlai.core.mutators import ManyEpisodeMutator, register_mutator
  from parlai.core.params import ParlaiParser
  from parlai.core.opt import Opt
  from parlai.core.teachers import DialogTeacher
  from parlai.utils.data import DatatypeHelper
  from parlai.utils.io import PathManager
label_desc: Use image node_id 2 to create a new ProofWriterTeacher object from inherited base classes: DialogTeacher with example: obj = ProofWriterTeacher(opt, shared)