Update gradio_chatbot.py

gradio_chatbot.py

@@ -97,6 +97,7 @@ with gr.Blocks() as demo:
     
     msg.submit(
         add_user_message,
+        queue=True,
         inputs=[msg, chatbot, conversation_state],
         outputs=[msg, chatbot, conversation_state],
         show_progress="hidden"
@@ -114,6 +115,7 @@ with gr.Blocks() as demo:
     
     send.click(
         add_user_message,
+        queue=True,
         inputs=[msg, chatbot, conversation_state],
         outputs=[msg, chatbot, conversation_state],
         show_progress="hidden"
@@ -138,4 +140,5 @@ with gr.Blocks() as demo:
 
 if __name__ == "__main__":
     logger.info("Running chatbot interface standalone")
+    demo.queue(default_concurrency_limit=1)
     demo.launch(server_name="0.0.0.0", server_port=7860)