code: def _path(opt):
      # Build the data if it doesn't exist.
      build(opt)
      dt = opt["datatype"].split(":")[0]
      return os.path.join(
          opt["datapath"],
          "reframe_thoughts",
          "reframe_thoughts_dataset",
          dt + ".txt",
      )
  
file_path: ParlAI/parlai/tasks/reframe_thoughts/agents.py
imports: import os
  import copy
  import json
  from parlai.core.teachers import DialogTeacher
  from .build import build
label_desc: Use image node_id 1 for calling a global function with example usage: _path(opt) and returns: os