def https_variation(lru):
    """
    Returning the http(s) variation of the given lru
    """
    if 's:http|' in lru:
        return lru.replace('s:http|', 's:https|', 1)
    if 's:https|' in lru:
        return lru.replace('s:https|', 's:http|', 1)
    return None
