code: def _path(opt):
      # build the data if it does not exist
      build(opt)
  
      return os.path.join(opt["datapath"], "holl_e")
  
imports: from typing import Optional
  from parlai.core.params import ParlaiParser
  from parlai.core.opt import Opt
  from parlai.core.teachers import FixedDialogTeacher
  from parlai.utils.io import PathManager
  from .build import build
  import json
  import os
label_desc: Use image node_id 1 for calling a global function with example usage: _path(opt) and returns: os