speak=sc.get(‘J’) keeps returning the last thing said

I ran 12.app_control.py and turned on the speaker. I tried saying “hello there” and it correctly recognized that. The problem is that 12.app_control.py kept printing that over and over and over again. I finally had to kill 12.app_control.py. It appears that speak=sc.get(‘J’) keeps returning the last thing that was said every time through the loop. It would be easy enough to add some logic to only print what was said if it changed, but I wanted to make sure that I wasn’t missing something. Why does that keep returning the last thing said when nothing new has been said?