diff --git a/loopy/statistics.py b/loopy/statistics.py
index c207d22aa9aac446645da1eea493e47c0f19cf8d..69c5b129c3376e3bf0318838a0410be5bb30f95d 100755
--- a/loopy/statistics.py
+++ b/loopy/statistics.py
@@ -1,4 +1,4 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 __copyright__ = "Copyright (C) 2015 James Stevens"
 
@@ -73,9 +73,6 @@ class TypeToOpCountMap:
         except KeyError:
             return isl.PwQPolynomial('{ 0 }')
 
-    def __setitem__(self, index, value):
-        self.dict[index] = value
-
     def __str__(self):
         return str(self.dict)