Update app.py

app.py

@@ -16,7 +16,7 @@ sys.path.append(os.path.join(os.getcwd(), 'gully_drs_core'))
 
 try:
     # Import the necessary functions from ball_detection.py inside gully_drs_core
-    from gully_drs_core.ball_detection import detect_ball_hsv, track_ball_and_estimate_speed, detect_lbw
+    from ball_detection import detect_ball_hsv, track_ball_and_estimate_speed, detect_lbw
 except ImportError as e:
     raise ImportError(f"Cannot import ball_detection module: {str(e)}. Ensure ball_detection.py is in the gully_drs_core directory.")