def _mk_dir(out_path):
    """
    Make training and validate directory to store data in PASCOL format
    :param out_path: _path obj
    :return: list contain train_img, train_label, val_img, val_label
    """
    train_img = out_path.joinpath("train", "image")
    train_label = out_path.joinpath("train", "label")
    val_img = out_path.joinpath("validate", "image")
    val_label = out_path.joinpath("validate", "label")

    _dirs = [train_img, train_label, val_img, val_label]
    for d in _dirs:
        if not d.exists():
            d.mkdir(parents=True, exist_ok=False)
    return _dirs