fix leak

aa19c00d · Jeremy Hylton · 11ce516c · aa19c00d
Commit aa19c00d authored Jan 03, 2001 by Jeremy Hylton
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Objects/listobject.c Objects/listobject.c +3 -1

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--- a/Objects/listobject.c
+++ b/Objects/listobject.c
@@ -596,9 +596,11 @@ listextend_internal(PyListObject *self, PyObject *b)
 	int blen;
 	register int i;

-	if (PyObject_Size(b) == 0)
+	if (PyObject_Size(b) == 0) {
 		/* short circuit when b is empty */
+		Py_DECREF(b);
 		return 0;
+	}

 	if (self == (PyListObject*)b) {
 		/* as in list_ass_slice() we must special case the