fix gradio interface

app.py

@@ -29,9 +29,9 @@ def respond(message, history, system_message, max_tokens, temperature, top_p):
     return output_text  
   
 demo = gr.ChatInterface(
-    gr.Markdown(title),
+    title=gr.Markdown(title),
     # gr.markdown(description),
-    respond,  
+    fn=respond,  
     additional_inputs=[  
         gr.Slider(minimum=1, maximum=2048, value=512, step=1, label="Max new tokens"),  
         gr.Slider(minimum=0.1, maximum=4.0, value=0.7, step=0.1, label="Temperature"),