From ba99c5887286147925fb02141c274e5b4dc84f4e Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Sun, 10 Feb 2008 20:41:56 +0000
Subject: [PATCH] The new default protocol is two.

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

diff --git a/Lib/shelve.py b/Lib/shelve.py
index 67878db45f5..e6d6d408273 100644
--- a/Lib/shelve.py
+++ b/Lib/shelve.py
@@ -75,7 +75,7 @@ class Shelf(collections.MutableMapping):
                  keyencoding="utf-8"):
         self.dict = dict
         if protocol is None:
-            protocol = 0
+            protocol = 2
         self._protocol = protocol
         self.writeback = writeback
         self.cache = {}