Update app.py

app.py

@@ -131,4 +131,4 @@ with gr.Blocks(css="style.css") as demo:
     chat_interface.render()
     
 if __name__ == "__main__":
-    demo.queue(max_size=20).launch(show_error=True)
+    demo.queue(max_size=4).launch(show_error=True)