Update app.py

app.py

@@ -114,4 +114,4 @@ with gr.Blocks() as demo:
     msg.submit(respond, [msg, chatbot], [msg, chatbot])
 
 if __name__ == "__main__":
-    demo.queue(concurrency_count=1).launch(server_name="0.0.0.0", server_port=7860)
+    demo.queue(max_threads=1).launch(server_name="0.0.0.0", server_port=7860)