From a22bd5adf299acb85d55ab6f80deedcb761550b0 Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Tue, 12 Dec 2017 19:03:08 +0200
Subject: [PATCH] Fix implementation dependent assertion in test_plistlib.
 (GH-4813)

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 90641a7635c0b5..d47c607329cd51 100644
--- a/Lib/test/test_plistlib.py
+++ b/Lib/test/test_plistlib.py
@@ -321,7 +321,8 @@ def test_tuple_members(self):
                     '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 = {