def METHOD_NAME(model: deid.DeIdModel,
                     _trained: List[Tuple[Tuple[Any, Any, Any],
                                          deid.DeIdModel]] = []
                     ) -> Tuple[Tuple[Any, Any, Any], deid.DeIdModel]:
    if not _trained:
        retval = model.train(TRAIN_DATA)
        _trained.append((retval, model))
    return _trained[0]