From eb2f222aaeab20a65defe69f7b57c505b8ef87b1 Mon Sep 17 00:00:00 2001
From: "Miss Islington (bot)"
 <31488909+miss-islington@users.noreply.github.com>
Date: Tue, 12 Dec 2017 09:53:02 -0800
Subject: [PATCH] Fix implementation dependent assertion in test_plistlib.
 (GH-4813) (#4815)

It is failed with an advanced optimizer.
(cherry picked from commit 0e069a1597ce6791a5f0da8329da2c446766c80e)
---
 Lib/test/test_plistlib.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Lib/test/test_plistlib.py b/Lib/test/test_plistlib.py
index 90641a7635..d47c607329 100644
--- a/Lib/test/test_plistlib.py
+++ b/Lib/test/test_plistlib.py
@@ -321,7 +321,8 @@ class TestPlistlib(unittest.TestCase):
                     'second': [1, 2],
                     'third': [3, 4],
                 })
-                self.assertIsNot(pl2['first'], pl2['second'])
+                if fmt != plistlib.FMT_BINARY:
+                    self.assertIsNot(pl2['first'], pl2['second'])
 
     def test_list_members(self):
         pl = {
-- 
2.40.0