Original file line numberDiff line numberDiff line change@@ -1919,7 +1919,7 @@ pending_identify(PyObject *self, PyObject *args)
1919191919201920PyThread_type_lockmutex=PyThread_allocate_lock();
19211921if (mutex==NULL) {
1922-returnNULL;
1922+returnPyErr_NoMemory();
19231923 }
19241924PyThread_acquire_lock(mutex, WAIT_LOCK);
19251925/* It gets released in _pending_identify_callback(). */