code: def get_lock_file(lock_obj: JournalFileBaseLock) -> Iterator[None]:
      lock_obj.acquire()
      try:
          yield
      finally:
          lock_obj.release()
  
imports: import abc
  from contextlib import contextmanager
  import errno
  import json
  import os
  import time
  from typing import Any
  from typing import Dict
  from typing import Iterator
  from typing import List
  from typing import Optional
  import uuid
  from optuna.storages._journal.base import BaseJournalLogStorage
label_desc: Use image node_id 1 for calling a global function with example usage: get_lock_file(lock_obj) without return types