Update app.py

app.py

@@ -510,14 +510,14 @@ with gr.Blocks() as demo:
         queue=False
     )
 
-    """
+    
     working_frame.change(
         fn = switch_working_frame,
         inputs = [working_frame, scanned_frames, video_frames_dir],
         outputs = [first_frame_path, tracking_points, trackings_input_label, input_first_frame_image, points_map, working_frame],
         queue=False
     )
-    """
+    
 
     submit_btn.click(
         fn = get_mask_sam_process,