def parse_args()

in data/prepare_data.py [0:0]


def parse_args():
    """Prepare argument parser.

    Args:

    Return:

    """
    parser = argparse.ArgumentParser(
        description="Generate GVP ProteinGraph datasets representing protein"
        + "structures."
    )
    parser.add_argument(
        "--data-file",
        help="Path to protein data frame, including sequences, paths to"
        + " structure files and labels",
        required=True,
    )
    parser.add_argument(
        "-t",
        "--target-variable",
        help="target variable in the protein data frame",
        required=True,
    )
    parser.add_argument("-o", "--output", help="output dir for graphs")

    args = parser.parse_args()
    return args