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-rw-r--r--Lib/test/test_queue.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/Lib/test/test_queue.py b/Lib/test/test_queue.py
index 508b739..9bb5181 100644
--- a/Lib/test/test_queue.py
+++ b/Lib/test/test_queue.py
@@ -6,6 +6,7 @@ import threading
import time
import unittest
import weakref
+from test.support import gc_collect
from test.support import import_helper
from test.support import threading_helper
@@ -590,6 +591,7 @@ class BaseSimpleQueueTest:
q.put(C())
for i in range(N):
wr = weakref.ref(q.get())
+ gc_collect() # For PyPy or other GCs.
self.assertIsNone(wr())