Update app.py

app.py

@@ -61,14 +61,13 @@ with gr.Blocks() as demo:
     with gr.Tab("Chat"):
         gr.ChatInterface(
             respond,
-            
+            chatbot={height:500}
             theme="soft",
             retry_btn=None,
             undo_btn="Undo",
             clear_btn="Clear",
             multimodal=True,
         )
-        chatbot = gr.Chatbot(height=500)
         
     with gr.Tab("ELS"):
         with gr.Row():