Update app.py

app.py

@@ -55,7 +55,7 @@ def video_processing(video):
         gaze_percentage = on_camera / total * 100
     except Exception as e:
         print(f"An error occurred while processing the video: {e}")
-        gaze_percentage = '000'
+        gaze_percentage = 'no face detected'
     print(f'Total = {total},on_camera = {on_camera},off_camera = {off_camera}')
     # print(f'focus perfectage = {on_camera/total*100}')
     # Release the video capture object and close all windows