code: def test_plugin_files(self, mypy_typecheck_file, path):
      mypy_typecheck_file(path, use_plugin=True)
  
file_path: sqlalchemy/test/ext/mypy/test_mypy_plugin_py3k.py
imports: import os
  import shutil
  from sqlalchemy import testing
  from sqlalchemy.testing import eq_
  from sqlalchemy.testing import fixtures
label_desc: Use image node_id 2 for calling the MypyPluginTest obj's underlying member method code with example usage: obj.test_plugin_files(mypy_typecheck_file, path) without return types