def _is_ipv6(self, ip):
        try:
            p = IPy.IP(ip)
        except ValueError:
            return False

        if p.version() == 6:
            return True
        return False
Return a list of unique valid options for a list of image processors
dataset/ETHPy150Open SpriteLink/NIPAP/nipap/nipap/backend.py/Nipap._is_ipv6--crossover with--dataset/ETHPy150Open SmileyChris/easy-thumbnails/easy_thumbnails/utils.py/valid_processor_options