Update app.py

app.py

@@ -336,7 +336,7 @@ def process_dataframe(df):
         dx['Change_Pav_Eng_to_Gia_value'] = loaded_label_encoder['Change_Pav_Eng_to_Gia_value'].inverse_transform(dx['Change_Pav_Eng_to_Gia_value'])
         
         # Final return with full data for pagination.
-        return df_pred, df_pred)
+        return df_pred, df_pred
     except Exception as e:
         print(f'Error processing file: {e}', 'error')
         return pd.DataFrame(), pd.DataFrame()