def METHOD_NAME(diabetes_df) -> Tuple[Dataset, Dataset]:
    """Return diabetes dataset split to train and test as Datasets."""
    train_df, test_df = train_test_split(diabetes_df, test_size=0.33, random_state=42)
    train = Dataset(train_df, label='target', cat_features=['sex'])
    test = Dataset(test_df, label='target', cat_features=['sex'])
    return train, test