class_docstr: ReDial Teacher.
class_docstr_tok: ["ReDial","Teacher","."]
code: def __init__(self, opt, shared=None):
      super().__init__(opt, shared)
      data_path = _path(opt)
      self.title_id_map = {}
      self.get_title_dict(data_path)
      if shared is not None:
          self.episodes = shared["episodes"]
      else:
          self.episodes = []
          self._setup_data(data_path)
      self.id = "redial"
  
      self.reset()
  
imports: from parlai.core.teachers import FixedDialogTeacher
  from parlai.utils.io import PathManager
  from .build import build
  import os
  import json
  import re
  import csv
label_desc: Use image node_id 1 to create a new ReDialTeacher object from inherited base classes: FixedDialogTeacher with example: obj = ReDialTeacher(opt, shared)