code: def __init__(self, opt, shared=None):
      opt = copy.deepcopy(opt)
      opt["parlaidialogteacher_datafile"] = _path(opt)
      super().__init__(opt, shared)
  
imports: from parlai.core.teachers import ParlAIDialogTeacher
  from .build import build
  import copy
  import os
label_desc: Use image node_id 1 to create a new DefaultTeacher object from inherited base classes: ParlAIDialogTeacher with example: obj = DefaultTeacher(opt, shared)