From 880430e2a54d4f47baef3515072e7119e85510f7 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Sat, 2 Oct 2004 10:56:43 +0000
Subject: Replace structure member before decreffing.

---
 Modules/itertoolsmodule.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c
index 3da0258..4069ea2 100644
--- a/Modules/itertoolsmodule.c
+++ b/Modules/itertoolsmodule.c
@@ -662,6 +662,7 @@ cycle_next(cycleobject *lz)
 {
 	PyObject *item;
 	PyObject *it;
+	PyObject *tmp;
 
 	while (1) {
 		item = PyIter_Next(lz->it);
@@ -681,9 +682,10 @@ cycle_next(cycleobject *lz)
 		it = PyObject_GetIter(lz->saved);
 		if (it == NULL)
 			return NULL;
-		Py_DECREF(lz->it);
+		tmp = lz->it;
 		lz->it = it;
 		lz->firstpass = 1;
+		Py_DECREF(tmp);
 	}
 }
 
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