From f1094140944721ca852d49fb30e107d4ffec6f12 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Tue, 18 Aug 2015 00:20:20 -0700
Subject: Inline PyIter_Next() matching the other itertools code.

---
 Python/bltinmodule.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'Python/bltinmodule.c')

diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 2f22209e9d6..78ec3cbf9e4 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -1164,7 +1164,8 @@ map_next(mapobject *lz)
         return NULL;
 
     for (i=0 ; i<numargs ; i++) {
-        val = PyIter_Next(PyTuple_GET_ITEM(lz->iters, i));
+        PyObject *it = PyTuple_GET_ITEM(lz->iters, i);
+        val = Py_TYPE(it)->tp_iternext(it);
         if (val == NULL) {
             Py_DECREF(argtuple);
             return NULL;
-- 
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