[3.8] bpo-37994: Fix silencing all errors if an attribute lookup fails. (GH-15630) (GH-15635)
Only AttributeError should be silenced.
(cherry picked from commit 41c57b335330ff48af098d47e379e0f9ba09d233)
diff --git a/Objects/setobject.c b/Objects/setobject.c
index 8cd95ba..f8ae0c0 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -1954,9 +1954,10 @@
args = PyTuple_Pack(1, keys);
if (args == NULL)
goto done;
- dict = _PyObject_GetAttrId((PyObject *)so, &PyId___dict__);
+ if (_PyObject_LookupAttrId((PyObject *)so, &PyId___dict__, &dict) < 0) {
+ goto done;
+ }
if (dict == NULL) {
- PyErr_Clear();
dict = Py_None;
Py_INCREF(dict);
}