diff options
Diffstat (limited to 'Lib/concurrent/futures/thread.py')
| -rw-r--r-- | Lib/concurrent/futures/thread.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Lib/concurrent/futures/thread.py b/Lib/concurrent/futures/thread.py index f9beb0f7f7..8d6081cf15 100644 --- a/Lib/concurrent/futures/thread.py +++ b/Lib/concurrent/futures/thread.py @@ -87,6 +87,9 @@ class ThreadPoolExecutor(_base.Executor): max_workers: The maximum number of threads that can be used to execute the given calls. """ + if max_workers <= 0: + raise ValueError("max_workers must be greater than 0") + self._max_workers = max_workers self._work_queue = queue.Queue() self._threads = set() |