Check in corrected column handling with instance

app.py

@@ -67,7 +67,7 @@ def init_leaderboard(dataframe):
 
     return Leaderboard(
         value=dataframe,
-        datatype=[c.type for c in fields(AutoEvalColumn)],
+        datatype=[c.type for c in fields(eval_col_instance)],
         select_columns=SelectColumns(
             default_selection=[c.name for c in fields(eval_col_instance) if c.displayed_by_default],
             cant_deselect=[c.name for c in fields(eval_col_instance) if c.never_hidden],