PEP 3114: rename .next() to .__next__() and add next() builtin.
diff --git a/Lib/test/test_tokenize.py b/Lib/test/test_tokenize.py
index d6c3777..0880f0f 100644
--- a/Lib/test/test_tokenize.py
+++ b/Lib/test/test_tokenize.py
@@ -103,7 +103,7 @@
 
     t1 = [tok[:2] for tok in fulltok]
     newtext = untokenize(t1)
-    readline = iter(newtext.splitlines(1)).next
+    readline = iter(newtext.splitlines(1)).__next__
     t2 = [tok[:2] for tok in generate_tokens(readline)]
     if t1 != t2:
         raise TestFailed("untokenize() roundtrip failed for %r" % f)
@@ -224,7 +224,7 @@
     This function exists solely to test the tokenization of the RARROW
     operator.
 
-    >>> tokenize(iter(['->']).next)   #doctest: +NORMALIZE_WHITESPACE
+    >>> tokenize(iter(['->']).__next__)   #doctest: +NORMALIZE_WHITESPACE
     1,0-1,2:\tOP\t'->'
     2,0-2,0:\tENDMARKER\t''
     """