Updated app.py

app.py

@@ -261,6 +261,7 @@ with gr.Blocks(theme = gr.themes.Soft()) as demo:
         )
         gr.ChatInterface(
             response,
+            chatbot = gr.Chatbot(height=600),
             title = 'Chat with Gemini 1.5',
             retry_btn = "Retry",
             undo_btn = "Undo",