actually load legacy

    except Exception as e:

      pass

    # Load obsolete format -> save in new format

    metadata_filename = os.path.join(self.data_dir, "metadata.joblib")

    if os.path.exists(metadata_filename):

      tasks, metadata_df = load_from_disk(metadata_filename)

      save_metadata(tasks, metadata_df, self.data_dir)

      return tasks, metadata_df

    raise ValueError("No Metadata Found On Disk")

  @staticmethod