Updated to use CompositeLock

        print("Starting a long-running task...")

        n_array = []

        print("Acquiring camera and stage locks...")

        with self.microscope.camera.lock, self.microscope.stage.lock:

        #print("Acquiring camera and stage locks...")

        #with self.microscope.camera.lock, self.microscope.stage.lock:

        print("Acquiring composite microscope lock...")

        with self.microscope.lock:

            for _ in range(t_run):

                n_array.append(random.random())

                time.sleep(1)