Round up the the next multiple.

    :param n: The number to round up.
    :param m: The multiple.
    :return: The rounded number

def _round_to_next_multiple(n, m):
    """
    Round up the the next multiple.

    :param n: The number to round up.
    :param m: The multiple.
    :return: The rounded number
    """
    return n if n % m == 0 else n + m - n % m