small fix unit tests

lerobot/common/robot_devices/control_utils.py

@@ -316,7 +316,8 @@ def stop_recording(robot, listener, display_cameras):
     robot.disconnect()
 
     if not is_headless():
-        listener.stop()
+        if listener is not None:
+            listener.stop()
 
         if display_cameras:
             cv2.destroyAllWindows()

lerobot/scripts/control_robot.py

@@ -289,6 +289,9 @@ def record(
         # Increment by one dataset["current_episode_index"]
         save_current_episode(dataset)
 
+        if events["stop_recording"]:
+            break
+
     log_say("Stop recording", play_sounds, blocking=True)
     stop_recording(robot, listener, display_cameras)