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/test_deque.py b/Lib/test/test_deque.py
index 9f7caec..9bb1472 100644
--- a/Lib/test/test_deque.py
+++ b/Lib/test/test_deque.py
@@ -504,7 +504,7 @@
>>> from collections import deque
>>> d = deque('ghi') # make a new deque with three items
>>> for elem in d: # iterate over the deque's elements
-... print elem.upper()
+... print(elem.upper())
G
H
I
@@ -574,8 +574,8 @@
...
>>> for value in roundrobin('abc', 'd', 'efgh'):
-... print value
-...
+... print(value)
+...
a
d
e
@@ -593,7 +593,7 @@
... d.append(pair)
... return list(d)
...
->>> print maketree('abcdefgh')
+>>> print(maketree('abcdefgh'))
[[[['a', 'b'], ['c', 'd']], [['e', 'f'], ['g', 'h']]]]
"""