diff options
Diffstat (limited to 'Objects')
| -rw-r--r-- | Objects/typeobject.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/Objects/typeobject.c b/Objects/typeobject.c index a5779ef..82237c8 100644 --- a/Objects/typeobject.c +++ b/Objects/typeobject.c @@ -208,10 +208,12 @@ type_set_bases(PyTypeObject *type, PyObject *value, void *context) type->tp_name, ob->ob_type->tp_name); return -1; } - if (PyType_IsSubtype(type, (PyTypeObject*)ob)) { - PyErr_SetString(PyExc_TypeError, - "a __bases__ item causes an inheritance cycle"); - return -1; + if (PyType_Check(ob)) { + if (PyType_IsSubtype((PyTypeObject*)ob, type)) { + PyErr_SetString(PyExc_TypeError, + "a __bases__ item causes an inheritance cycle"); + return -1; + } } } |