fix

app.py

@@ -65,7 +65,7 @@ with gr.Blocks() as demo:
         # undo_button = gr.Button("Undo")
         res_button = gr.Button("Reset")
 
-    prompt.submit(generate_response, prompt, story, scroll_to_output=True)
+    prompt.submit(generate_response, [story, prompt], story, scroll_to_output=True)
     gen_button.click(generate_response, [story, prompt], story, scroll_to_output=True)
     # undo_button.click(undo, [], story, scroll_to_output=True)
     res_button.click(reset, [], story, scroll_to_output=True)