Fix a bunch of doctests with the -d option of refactor.py.
We still have 27 failing tests (down from 39).
diff --git a/Lib/test/doctest_aliases.py b/Lib/test/doctest_aliases.py
index e6e5ca9..e5e6b29 100644
--- a/Lib/test/doctest_aliases.py
+++ b/Lib/test/doctest_aliases.py
@@ -5,7 +5,7 @@
 
     def f(self):
         '''
-        >>> print TwoNames().f()
+        >>> print(TwoNames().f())
         f
         '''
         return 'f'