code: def _temp_folder(self):
      # Legacy property in tests. could be removed if we refactored the
      # memmapping tests. SHOULD ONLY BE USED IN TESTS!
      # We cache this property because it is called late in the tests - at
      # this point, all context have been unregistered, and
      # resolve_temp_folder_name raises an error.
      if getattr(self, "_cached_temp_folder", None) is not None:
          return self._cached_temp_folder
      else:
          self._cached_temp_folder = (
              self._temp_folder_manager.resolve_temp_folder_name()
          )  # noqa
          return self._cached_temp_folder
  
file_path: catboost/contrib/python/joblib/joblib/executor.py
imports: from ._memmapping_reducer import get_memmapping_reducers
  from ._memmapping_reducer import TemporaryResourcesManager
  from .externals.loky.reusable_executor import _ReusablePoolExecutor
label_desc: Use image node_id 3 for calling the MemmappingExecutor obj's underlying member method code with example usage: obj._temp_folder() and returns: self, self