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-rw-r--r--Modules/itertoolsmodule.c4
1 files changed, 3 insertions, 1 deletions
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);
}
}