PEP 3114: rename .next() to .__next__() and add next() builtin.
diff --git a/Lib/socket.py b/Lib/socket.py
index 2222600..3fe6ec5 100644
--- a/Lib/socket.py
+++ b/Lib/socket.py
@@ -409,7 +409,7 @@
     def __iter__(self):
         return self
 
-    def next(self):
+    def __next__(self):
         line = self.readline()
         if not line:
             raise StopIteration