Update app.py

app.py

@@ -151,7 +151,7 @@ def main():
         )
 
     # demo.launch(debug=True)
-    demo.queue(api_open=False, max_size=5).launch()
+    demo.queue(api_open=False, max_size=3).launch()
 
 if __name__ == "__main__":
     main()