Small speedup
diff --git a/Lib/collections.py b/Lib/collections.py
index 0b0a26b..abe8e0c 100644
--- a/Lib/collections.py
+++ b/Lib/collections.py
@@ -2,6 +2,7 @@
 
 from _collections import deque, defaultdict
 from operator import itemgetter as _itemgetter
+from itertools import izip as _izip
 from keyword import iskeyword as _iskeyword
 import sys as _sys
 
@@ -77,7 +78,7 @@
         print template
 
     # Execute the template string in a temporary namespace
-    namespace = dict(itemgetter=_itemgetter)
+    namespace = dict(itemgetter=_itemgetter, zip=_izip)
     try:
         exec template in namespace
     except SyntaxError, e: