play confirmation sound is scanning was successful

code/audiorocket.py

@@ -17,6 +17,7 @@ logging.info('Initializing')
 MUSIC_BASE_DIRECTORY = "mnt/"
 SOUND_SCANNING = "mnt/INTERNAL/audiorocket/sounds/scanning.mp3"
 SOUND_SCAN_FAIL = "mnt/INTERNAL/audiorocket/sounds/fail-05.mp3"
+SOUND_SCAN_OK = "mnt/INTERNAL/audiorocket/sounds/ok-05.mp3"
 QR_SCANNER_TIMEOUT = 4
 
 # photo sensor on PIN 5
@@ -99,6 +100,9 @@ try:
             poll_result = poll_obj.poll(100)
 
         if (poll_result):
+            play(SOUND_SCAN_OK)
+            time.sleep(0.5)
+            
             qr_code = zbarcam.stdout.readline().rstrip()
             qr_code = qr_code.decode("utf-8") # python3
             logging.info("QR Code: " + qr_code)