code: def _close(self) -> None:
      if self._lock is not None:
          self._lock.release()
  
file_path: aim/aim/sdk/maintenance_run.py
imports: import logging
  from typing import Union, Optional, TYPE_CHECKING
  from aim.sdk.base_run import BaseRun
  from aim.ext.cleanup import AutoClean
label_desc: Use image node_id 2 for calling the RunAutoClean obj's underlying member method code with example usage: obj._close() without return types