small improvements

app.py

@@ -193,7 +193,9 @@ with open("README.md", "r") as fin:
     )
 
 
-with gr.Blocks(theme=gr.themes.Soft(primary_hue="sky")) as demo:
+with gr.Blocks(
+    theme=gr.themes.Soft(primary_hue="sky"), css="footer{display:none !important}"
+) as demo:
     gr.Markdown(HEADER)
     quiz = gr.State({})
     with gr.Tabs() as tabs:
@@ -331,8 +333,7 @@ with gr.Blocks(theme=gr.themes.Soft(primary_hue="sky")) as demo:
 
 
 demo.queue(default_concurrency_limit=5).launch(
-    show_api=False, server_name="0.0.0.0", allowed_paths=["/"]
+    show_api=False,
+    server_name="0.0.0.0",
+    allowed_paths=["/"],
 )
-
-
-demo.launch()