def test_stop_untrack(self):
    tracemalloc.start()
    self.track()
    tracemalloc.stop()
    with self.assertRaises(RuntimeError):
        self.untrack()
def test_stop_untrack(self):
    tracemalloc.start()
    self.track()
    tracemalloc.stop()
    with self.assertRaises(RuntimeError):
        self.untrack()