code: def _path(opt):
      # build the data if it does not exist
      build(opt)
  
      # set up path to data (specific to each dataset)
      jsons_path = os.path.join(
          opt["datapath"], "airdialogue_data", "airdialogue"
      )
      return jsons_path
  
file_path: ParlAI/parlai/tasks/airdialogue/agents.py
imports: from parlai.core.teachers import FixedDialogTeacher
  from parlai.core.message import Message
  from parlai.utils.io import PathManager
  from .build import build
  import os
  import json
label_desc: Use image node_id 1 for calling a global function with example usage: _path(opt) and returns: jsons_path