From 1d22d00e97f62c79c58b03603824aa254d712708 Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Sun, 5 Apr 2009 01:04:38 +0000
Subject: [PATCH] compare types with is

---
 Lib/pickle.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/pickle.py b/Lib/pickle.py
index 9667781a8c3..abed1ca4fab 100644
--- a/Lib/pickle.py
+++ b/Lib/pickle.py
@@ -501,7 +501,7 @@ class Pickler:
         self.memoize(obj)
     dispatch[UnicodeType] = save_unicode
 
-    if StringType == UnicodeType:
+    if StringType is UnicodeType:
         # This is true for Jython
         def save_string(self, obj, pack=struct.pack):
             unicode = obj.isunicode()