Fix doctest.

IPython/kernel/task.py

@@ -416,7 +416,7 b' class ResultNS(object):'
     
     >>> ns = ResultNS({'a':17,'foo':range(3)})
     >>> print ns
-        NS{'a':17,'foo':range(3)}
+    NS{'a': 17, 'foo': [0, 1, 2]}
     >>> ns.a
         17
     >>> ns['foo']