code: def dvc(tmp_dir):
      with tmp_dir.dvc as _dvc:
          yield _dvc
  
imports: import os
  import pathlib
  import subprocess
  from typing import Dict, Tuple
  import pytest
  from .scripts import copy_script
label_desc: Use image node_id 4 for calling a global function with example usage: dvc(tmp_dir) without return types