Update app.py

app.py

@@ -557,7 +557,7 @@ with gr.Blocks(css=css) as demo:
                 submit_btn = gr.Button("Submit")
                 
                 # Events
-                submit_btn.click(respond, inputs=[msg, chatbot, doc_selector], outputs=[msg, chatbot], api_name="manabChat")
+                submit_btn.click(fn=respond, inputs=[msg, chatbot, doc_selector], outputs=[msg, chatbot], api_name="manabChat")
                 msg.submit(respond, inputs=[msg, chatbot, doc_selector], outputs=[msg, chatbot], api_name="manabSubmitChat")
         with gr.TabItem("Compliance Check of user technical doc"):
             with gr.Row():