Fix refleak in chain().

f1cca2b5 · Raymond Hettinger · a28df13a · f1cca2b5
Commit f1cca2b5 authored Mar 04, 2008 by Raymond Hettinger
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Modules/itertoolsmodule.c Modules/itertoolsmodule.c +1 -1

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--- a/Modules/itertoolsmodule.c
+++ b/Modules/itertoolsmodule.c
@@ -1682,8 +1682,8 @@ chain_next(chainobject *lz)
 			return NULL;			/* no more input sources */
 		}
 		lz->active = PyObject_GetIter(iterable);
-		if (lz->active == NULL) {
 		Py_DECREF(iterable);
+		if (lz->active == NULL) {
 			Py_CLEAR(lz->source);
 			return NULL;			/* input not iterable */
 		}