Update app.py

app.py

@@ -231,7 +231,7 @@ with gr.Blocks(css=css) as demo:
             
             chatbot.like(print_like_dislike, None, None)
 
-      initialize_button.click(
+    initialize_button.click(
         fn=initialize_chat,
         inputs=[initial_question_input],
         outputs=[chat_history, follow_up_questions_display, token_info_display, examples_state]