def get_eval_set(self, app_name: str, eval_set_id: str) -> Optional[EvalSet]:
    """Returns an EvalSet identified by an app_name and eval_set_id."""
    # Load the eval set file data
    try:
      eval_set_file_path = self._get_eval_set_file_path(app_name, eval_set_id)
      return load_eval_set_from_file(eval_set_file_path, eval_set_id)
    except FileNotFoundError:
      return None
Returns an EvalSet identified by an app_name and eval_set_id.
src/google/adk/evaluation/local_eval_sets_manager.py