diff options
Diffstat (limited to 'Objects/abstract.c')
| -rw-r--r-- | Objects/abstract.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Objects/abstract.c b/Objects/abstract.c index dc6689310d..20e171119f 100644 --- a/Objects/abstract.c +++ b/Objects/abstract.c @@ -2137,8 +2137,10 @@ PyObject_IsInstance(PyObject *inst, PyObject *cls) if (checker != NULL) { PyObject *res; int ok = -1; - if (Py_EnterRecursiveCall(" in __instancecheck__")) + if (Py_EnterRecursiveCall(" in __instancecheck__")) { + Py_DECREF(checker); return ok; + } res = PyObject_CallFunctionObjArgs(checker, inst, NULL); Py_LeaveRecursiveCall(); Py_DECREF(checker); |