Refactor GET_DEFAULT_CHECKBOX function to remove "Model Name" column and handle exceptions in app.py

app.py

@@ -89,6 +89,8 @@ def GET_DEFAULT_CHECKBOX(subset):
     )
 
 
+old_version = NEWEST_VERSION
+
 def init_leaderboard(dataframes):
     subsets = list(reversed(list(dataframes.keys())))
 
@@ -103,7 +105,6 @@ def init_leaderboard(dataframes):
         # datatype = 
         df = gr.Dataframe(data, type="pandas")
     
-    old_version = NEWEST_VERSION
 
     def refresh(subset):
         global LEADERBOARD_DF
@@ -115,6 +116,7 @@ def init_leaderboard(dataframes):
         return update_data(subset, None, default_columns), GET_DEFAULT_TEXTBOX(), GET_DEFAULT_CHECKBOX(subset)
 
     def update_data(subset, search_term, selected_columns):
+        global old_version
         print("Subset:", subset)
         print("Search Term:", search_term)
         print("Selected Columns:", selected_columns)