def get_priority(first, second, third):
    """
    Return the items based on priority and their truthiness. If first is
    present, it will be returned. If only second and third, second will be
    returned. If all three are absent, will return None.
    """
    if first is not None:
        return first
    elif second is not None:
        return second
    else:
        return third

    Return the items based on priority and their truthiness. If first is
    present, it will be returned. If only second and third, second will be
    returned. If all three are absent, will return None.
    
eg/config.py