diff options
| -rw-r--r-- | Objects/typeobject.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Objects/typeobject.c b/Objects/typeobject.c index ed5b829..cc60d6c 100644 --- a/Objects/typeobject.c +++ b/Objects/typeobject.c @@ -2468,8 +2468,11 @@ add_subclass(PyTypeObject *base, PyTypeObject *type) while (--i >= 0) { ref = PyList_GET_ITEM(list, i); assert(PyWeakref_CheckRef(ref)); - if (PyWeakref_GET_OBJECT(ref) == Py_None) - return PyList_SetItem(list, i, new); + if (PyWeakref_GET_OBJECT(ref) == Py_None) { + i = PyList_SetItem(list, i, new); + Py_DECREF(new); + return i; + } } i = PyList_Append(list, new); Py_DECREF(new); |