Fix SF 762891: "del p[key]" on proxy object raises SystemError()
diff --git a/Objects/weakrefobject.c b/Objects/weakrefobject.c
index e26cb65..f5afb53 100644
--- a/Objects/weakrefobject.c
+++ b/Objects/weakrefobject.c
@@ -389,7 +389,11 @@
{
if (!proxy_checkref(proxy))
return -1;
- return PyObject_SetItem(PyWeakref_GET_OBJECT(proxy), key, value);
+
+ if (value == NULL)
+ return PyObject_DelItem(PyWeakref_GET_OBJECT(proxy), key);
+ else
+ return PyObject_SetItem(PyWeakref_GET_OBJECT(proxy), key, value);
}
/* iterator slots */