Update app.py

app.py

@@ -338,7 +338,7 @@ with gr.Blocks(title="NVIDIA AI Chat") as demo:
     with gr.Row():
         delete_last_btn = gr.Button("🗑️ Delete Last Message", variant="stop", size="sm")
         edit_last_btn = gr.Button("✏️ Edit & Re-run Last Prompt", variant="secondary", size="sm")
-            top_btn = gr.Button("⏹️ Stop Generation", variant="stop", visible=False)
+        top_btn = gr.Button("⏹️ Stop Generation", variant="stop", visible=False)
     
         # Token display (optional but useful)
     token_display = gr.Markdown("**Tokens used this chat:** 0", visible=False)