Fix stupid mistakes in APS.py.
Fix stupid mistakes in APS.py.

--BRJ and CAR

rmcgurrin/Qlab,Plourde-Research-Lab/Qlab,Plourde-Research-Lab/Qlab,BBN-Q/Qlab,BBN-Q/Qlab,rmcgurrin/Qlab,rmcgurrin/Qlab,rmcgurrin/Qlab,BBN-Q/Qlab,BBN-Q/Qlab,Plourde-Research-Lab/Qlab