code: def stage_md5(self):
      pytest.skip()
  
imports: import os
  from typing import Dict, Union
  import pytest
  from funcy import first
  from dvc.exceptions import URLMissingError
  from dvc.repo import Repo
  from dvc.repo.ls_url import ls_url, parse_external_url
  from dvc.utils.fs import remove
label_desc: Use image node_id 2 for calling the TestImport obj's underlying member method code with example usage: obj.stage_md5() without return types