Update app.py

app.py

@@ -220,6 +220,6 @@ with gr.Blocks() as app:
     #text=gr.JSON()
     #inp_query.change(search_models,inp_query,models_dd)
     clear_btn.click(clear_fn,None,[prompt,chatbot])
-    go=button.click(summarize,[prompt,chatbot,data,file],[prompt,chatbot])
+    go=button.click(summarize,[prompt,chatbot,data,file],[prompt,chatbot],concurrency_limit=1)
     stop_button.click(None,None,None,cancels=[go])
 app.launch(server_port=7860,show_api=False)