@@ -1156,7 +1156,7 @@ pending_identify(PyObject *self, PyObject *args)
 
     PyThread_type_lock mutex = PyThread_allocate_lock();
     if (mutex == NULL) {
-        return NULL;
+        return PyErr_NoMemory();
     }
     PyThread_acquire_lock(mutex, WAIT_LOCK);
     /* It gets released in _pending_identify_callback(). */
Original file line number	Diff line number	Diff line change
`@@ -1156,7 +1156,7 @@ pending_identify(PyObject self, PyObject args)`
`1156`	`1156`
`1157`	`1157`	`PyThread_type_lock mutex = PyThread_allocate_lock();`
`1158`	`1158`	`if (mutex == NULL) {`
`1159`		`- return NULL;`
	`1159`	`+ return PyErr_NoMemory();`
`1160`	`1160`	`}`
`1161`	`1161`	`PyThread_acquire_lock(mutex, WAIT_LOCK);`
`1162`	`1162`	`/* It gets released in _pending_identify_callback(). */`