Fix implementation dependent assertion in test_plistlib. (python#4813)

serhiy-storchaka · web-flow · commit 0e069a1597ce · 2017-12-12T19:03:08.000+02:00
It is failed with an advanced optimizer.
diff --git a/Lib/test/test_plistlib.py b/Lib/test/test_plistlib.py
@@ -320,7 +320,8 @@ 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 = {
