Update app.py

app.py

@@ -167,4 +167,4 @@ if __name__ == "__main__":
         query.submit(fn=submit, inputs=[query, k], outputs=[results])
         submit_btn.click(submit, inputs=[query, k], outputs=[results])
 
-    demo.queue(concurrency_count=30, max_size=100).launch()
+    demo.queue(max_size=32).launch()