From 466fb95e5a84f949280048b93cf67bc6a7ce5db8 2017-01-13 20:44:43
From: Thomas Kluyver <thomas@kluyver.me.uk>
Date: 2017-01-13 20:44:43
Subject: [PATCH] Well, since you ask me for Python 2.7 support...

---

diff --git a/IPython/core/inputtransformer.py b/IPython/core/inputtransformer.py
index fe43396..ab7c499 100644
--- a/IPython/core/inputtransformer.py
+++ b/IPython/core/inputtransformer.py
@@ -131,7 +131,8 @@ class TokenInputTransformer(InputTransformer):
 
     def reset_tokenizer(self):
         it = iter(self.buf)
-        self.tokenizer = generate_tokens(it.__next__)
+        nxt = it.__next__ if PY3 else it.next
+        self.tokenizer = generate_tokens(nxt)
 
     def push(self, line):
         self.buf.append(line + '\n')