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/smtplib.py b/Lib/smtplib.py
index aedcac4..9851d08 100755
--- a/Lib/smtplib.py
+++ b/Lib/smtplib.py
@@ -15,7 +15,7 @@
 
   >>> import smtplib
   >>> s=smtplib.SMTP("localhost")
-  >>> print s.help()
+  >>> print(s.help())
   This is Sendmail version 8.8.4
   Topics:
       HELO    EHLO    MAIL    RCPT    DATA