Update app.py

app.py

@@ -356,6 +356,8 @@ with gr.Blocks(
     scene_images = gr.State([])
     scene_explanations = gr.State([])
     scene_summaries = gr.State([])
+    current_scene_index = gr.State(0)
+    recreate_mode = gr.State(True)
 
     generate_btn.click(
         fn=generate_scene,