Fix Python 3 errors

1 files changed, 3 insertions, 1 deletions

diff --git a/frozendict/__init__.py b/frozendict/__init__.py
index 52e6a82..0af9dee 100644
--- a/frozendict/__init__.py
+++ b/frozendict/__init__.py
@@ -1,5 +1,6 @@
 import collections
 import operator
+import functools
 
 class frozendict(collections.Mapping):
 
@@ -24,6 +25,7 @@ class frozendict(collections.Mapping):
 
     def __hash__(self):
         if self.__hash is None:
-            self.__hash = reduce(operator.xor, map(hash, self.iteritems()), 0)
+            hashes = map(hash, self.items())
+            self.__hash = functools.reduce(operator.xor, hashes, 0)
 
         return self.__hash