diff options
Diffstat (limited to 'Lib/concurrent/futures/process.py')
| -rw-r--r-- | Lib/concurrent/futures/process.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Lib/concurrent/futures/process.py b/Lib/concurrent/futures/process.py index 76b7b2abe83..a14650bf5fa 100644 --- a/Lib/concurrent/futures/process.py +++ b/Lib/concurrent/futures/process.py @@ -755,6 +755,11 @@ class ProcessPoolExecutor(_base.Executor): self._executor_manager_thread_wakeup def _adjust_process_count(self): + # gh-132969: avoid error when state is reset and executor is still running, + # which will happen when shutdown(wait=False) is called. + if self._processes is None: + return + # if there's an idle process, we don't need to spawn a new one. if self._idle_worker_semaphore.acquire(blocking=False): return |