Refactor GET_DEFAULT_CHECKBOX function to remove commented out code and use choices for selected columns

app.py

@@ -87,7 +87,7 @@ def GET_DEFAULT_CHECKBOX(subset):
     return gr.CheckboxGroup(
         choices=choices,
         label="Select Columns to Display",
-        # value=choices,
+        value=choices,
     )
 
 
@@ -136,7 +136,9 @@ def init_leaderboard(dataframes):
         filtered_data.sort_values(by="Total", ascending=False, inplace=True)
         # selected_columns.append("Model Name")
         if isinstance(selected_columns, CheckboxGroup):
-            selected_columns = selected_columns.value
+            selected_columns = selected_columns.choices
+            if isinstance(selected_columns[0], tuple):
+                selected_columns = [c[1] for c in selected_columns]
         print("Selected Columns:", selected_columns)
         selected_columns = [
             c for c in filtered_data.columns if c in selected_columns or c == "Model Name"