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-rw-r--r--Lib/test/test_multiprocessing.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/Lib/test/test_multiprocessing.py b/Lib/test/test_multiprocessing.py
index e4031f6..d79110a 100644
--- a/Lib/test/test_multiprocessing.py
+++ b/Lib/test/test_multiprocessing.py
@@ -1820,6 +1820,11 @@ class _TestZZZNumberOfObjects(BaseTestCase):
# run after all the other tests for the manager. It tests that
# there have been no "reference leaks" for the manager's shared
# objects. Note the comment in _TestPool.test_terminate().
+
+ # If some other test using ManagerMixin.manager fails, then the
+ # raised exception may keep alive a frame which holds a reference
+ # to a managed object. This will cause test_number_of_objects to
+ # also fail.
ALLOWED_TYPES = ('manager',)
def test_number_of_objects(self):