From 47f24a018f6a9c3ed996d2b83a7ebd0d1f905827 Mon Sep 17 00:00:00 2001
From: Antoine Pitrou <pitrou@free.fr>
Date: Fri, 14 Apr 2017 13:45:27 +0200
Subject: Relax test timing (bpo-29861) to avoid sporadic failures (#1120)
 (#1133)

(cherry picked from commit 685cdb9acc3fca04a9897d88b89771ddfd50e772)
---
 Lib/test/_test_multiprocessing.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py
index d1ef98d..e41845b 100644
--- a/Lib/test/_test_multiprocessing.py
+++ b/Lib/test/_test_multiprocessing.py
@@ -1990,6 +1990,7 @@ class _TestPool(BaseTestCase):
         self.pool.map(identity, objs)
 
         del objs
+        time.sleep(DELTA)  # let threaded cleanup code run
         self.assertEqual(set(wr() for wr in refs), {None})
         # With a process pool, copies of the objects are returned, check
         # they were released too.
-- 
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