Update app.py

app.py

@@ -340,7 +340,7 @@ with gr.Blocks(title="RecurrentGPT", css="footer {visibility: hidden}", theme='s
                 grade, ease, fog = calculate_readability_metrics(text)
                 return grade, ease, fog
             
-            calculate_button.click(fn=update_metrics, inputs=written_paras, outputs=[fk_grade, fr_ease, g_fog])
+            calculate_button.click(fn=update_metrics, inputs=[written_paras], outputs=[fk_grade, fr_ease, g_fog])
     
     demo.queue(concurrency_count=1)