Update app.py

app.py

@@ -143,7 +143,7 @@ STARS = gr.themes.Base().set(
 )
 
 # Setup the Gradio Blocks interface with custom layout components
-with gr.Blocks(theme='STARS') as demo:
+with gr.Blocks(theme=STARS) as demo:
     gr.Markdown(welcome_message)  # Display the formatted welcome message
     with gr.Row():
         with gr.Column():