It seems that the video on the instruction page is not exactly correct. If one reads the directions or the remarks in the BrickPiScratch.py file, one finds the statement "This python program must be restarted every time you need to run a new program. " So starting Scratch, running the BrickPiScratch.py program, and then opening an example program does not work. Opening the example program is a “new program” so the BrickPiScratch.py program must be ran again.