diff options
Diffstat (limited to 'Lib')
-rw-r--r-- | Lib/multiprocessing/queues.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Lib/multiprocessing/queues.py b/Lib/multiprocessing/queues.py index c07ad40..b004a6a 100644 --- a/Lib/multiprocessing/queues.py +++ b/Lib/multiprocessing/queues.py @@ -35,7 +35,8 @@ class Queue(object): def __init__(self, maxsize=0, *, ctx): if maxsize <= 0: - maxsize = _multiprocessing.SemLock.SEM_VALUE_MAX + # Can raise ImportError (see issues #3770 and #23400) + from .synchronize import SEM_VALUE_MAX as maxsize self._maxsize = maxsize self._reader, self._writer = connection.Pipe(duplex=False) self._rlock = ctx.Lock() |