code: def __init__(self, opt):
      raise NotImplementedError(
          "There is no default teacher for HuggingFace datasets. Please use a specific one."
      )
  
file_path: ParlAI/parlai/tasks/huggingface/agents.py
imports: from parlai.core.build_data import make_dir
  from parlai.core.teachers import DialogTeacher
  from parlai.utils.data import DatatypeHelper
  from typing import Dict, Iterable, List, Optional, Tuple
  from typing_extensions import TypedDict
  import os
  import datasets
label_desc: Use image node_id 1 to create a new DefaultTeacher object  with example: obj = DefaultTeacher(opt)