Update app.py

app.py

@@ -111,7 +111,10 @@ latex_delimiters = [{
     "right": "\\]",
     "display": True
 }]
-chatbot = gr.Chatbot()
+chatbot = gr.Chatbot(label="Chatbot",
+                scale=1,
+                height=400,
+                latex_delimiters=latex_delimiters)
 demo = gr.ChatInterface(
     respond,
     additional_inputs=[