diff options
Diffstat (limited to 'py')
| -rw-r--r-- | py/objtype.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/py/objtype.c b/py/objtype.c index 3020ed513d..907308a757 100644 --- a/py/objtype.c +++ b/py/objtype.c @@ -918,7 +918,9 @@ mp_obj_t mp_obj_new_type(qstr name, mp_obj_t bases_tuple, mp_obj_t locals_dict) // abstract base class which would translate C-level protocol to // Python method calls, and any subclass inheriting from it will // support this feature. - o->protocol = ((mp_obj_type_t*)MP_OBJ_TO_PTR(items[0]))->protocol; + if (len > 0) { + o->protocol = ((mp_obj_type_t*)MP_OBJ_TO_PTR(items[0]))->protocol; + } o->bases_tuple = MP_OBJ_TO_PTR(bases_tuple); o->locals_dict = MP_OBJ_TO_PTR(locals_dict); |