Update app.py

app.py

@@ -200,7 +200,7 @@ with gr.Blocks(css=css) as demo:
         history_state = gr.State([])  
         last_message_state = gr.State("")  
 
-       def user_interaction(message, history, api_key, max_tokens, top_p, temperature):
+        def user_interaction(message, history, api_key, max_tokens, top_p, temperature):
             loading_message = history + [(message, "Loading...", "You", "P-ALPLE", sessions[api_key]["avatar"], ASSISTANT_PIC_PATH)]
             yield render_message(loading_message), loading_message, ""