code: def exception(self) -> Optional[BaseException]:  # type: ignore
      self._check_not_cancelled()
      try:
          self._submission.result()
          return None
      except Exception as e:
          # Note that we aren't wrapping the error contrary to what is done in
          # other Executors. It makes the stacktrace smaller and debugging easier.
          return e
  
imports: import logging
  import os
  import typing
  from pathlib import Path
  from typing import Dict, List, Optional, Union
  from ..core.core import Executor, InfoWatcher, Job, R
  from ..core.job_environment import JobEnvironment
  from ..core.utils import DelayedSubmission, UncompletedJobError
label_desc: Use image node_id 7 for calling the DebugJob obj's underlying member method code with example usage: obj.exception() and returns: None, e