Update app.py

app.py

@@ -1617,10 +1617,8 @@ with gr.Blocks(css=css, title="DataSynth — Analytics Hub") as demo:
 
         # Prepare tab callbacks
     def _update_prepare_ui(df_path):
-    """Update all UI elements when prepare tab is loaded"""
         if not df_path:
             return update_column_lists(None)
-    
         try:
             df = pd.read_csv(df_path)
             return update_column_lists(df)