From 003be529323a395be4a17c779aff7e4737170bbf Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Tue, 3 May 2011 11:01:32 -0700
Subject: Fix __hash__ in functools.cmp_to_key() to work with
 collections.Hashable.

---
 Lib/functools.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'Lib/functools.py')

diff --git a/Lib/functools.py b/Lib/functools.py
index e92a2fcd68..90642a58b2 100644
--- a/Lib/functools.py
+++ b/Lib/functools.py
@@ -111,8 +111,7 @@ def cmp_to_key(mycmp):
             return mycmp(self.obj, other.obj) >= 0
         def __ne__(self, other):
             return mycmp(self.obj, other.obj) != 0
-        def __hash__(self):
-            raise TypeError('hash not implemented')
+        __hash__ = None
     return K
 
 _CacheInfo = namedtuple("CacheInfo", "hits misses maxsize currsize")
-- 
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