[py3] Fixed django.utils.six.moves.

It didn't work because six was inside django.utils.

Author: aaugustin

django/utils/six.py

@@ -159,7 +159,7 @@ class _MovedItems(types.ModuleType):
  setattr(_MovedItems, attr.name, attr)
 del attr
 
-moves = sys.modules["six.moves"] = _MovedItems("moves")
+moves = sys.modules["django.utils.six.moves"] = _MovedItems("moves")
 
 
 def add_move(move):