Clean up

app.py

@@ -252,10 +252,10 @@ leaderboard_df = filter_models(
     #    [i.value.name for i in Backend],
 )
 # DataFrameの初期化部分のみを修正
-initial_columns = ["T"] + [
+INITIAL_COLUMNS = ["T"] + [
     c.name for c in fields(AutoEvalColumn) if (c.never_hidden or c.displayed_by_default) and c.name != "T"
 ]
-leaderboard_df = select_columns(leaderboard_df, initial_columns)
+leaderboard_df = select_columns(leaderboard_df, INITIAL_COLUMNS)
 
 
 # Leaderboard demo
@@ -481,7 +481,7 @@ with gr.Blocks() as demo_leaderboard:
     # DataFrameコンポーネントの初期化
     leaderboard_table = gr.Dataframe(
         value=leaderboard_df,
-        headers=initial_columns,
+        headers=INITIAL_COLUMNS,
         datatype=TYPES,
         elem_id="leaderboard-table",
         interactive=False,