py: Tidy up returning NULL which should be MP_OBJ_NOT_SUPPORTED.
diff --git a/py/objdict.c b/py/objdict.c
index 6a6fff2..9d4ebb6 100644
--- a/py/objdict.c
+++ b/py/objdict.c
@@ -465,12 +465,15 @@
STATIC mp_obj_t dict_view_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
/* only supported for the 'keys' kind until sets and dicts are refactored */
mp_obj_dict_view_t *o = lhs_in;
- if (o->kind != MP_DICT_VIEW_KEYS) return NULL;
- if (op != MP_BINARY_OP_IN) return NULL;
+ if (o->kind != MP_DICT_VIEW_KEYS) {
+ return MP_OBJ_NOT_SUPPORTED;
+ }
+ if (op != MP_BINARY_OP_IN) {
+ return MP_OBJ_NOT_SUPPORTED;
+ }
return dict_binary_op(op, o->dict, rhs_in);
}
-
STATIC const mp_obj_type_t dict_view_type = {
{ &mp_type_type },
.name = MP_QSTR_dict_view,