code: def __exit__(
      self,
      exc_type: type[BaseException],
      exc_val: BaseException,
      exc_tb: TracebackType,
  ) -> None:
      self._tempfile.close()
  
file_path: optuna/optuna/testing/tempfile_pool.py
imports: from __future__ import annotations
  import atexit
  import gc
  import os
  import tempfile
  from types import TracebackType
  from typing import Any
  from typing import IO
label_desc: Use image node_id 6 for calling the NamedTemporaryFilePool obj's underlying member method code with example usage: obj.__exit__(exc_type, exc_val, exc_tb) without return types