try:
    images = "\n".join(['https:' + elm for elm in
                        response.xpath('//div[@class="next-slick-list"]//img/@src').extract()])
except:
    images = ""
try:
    description = "\n".join(
        response.xpath('//div[@class="html-content pdp-product-highlights"]//text()').extract())
except:
    description = ""
try:
    return_warranty = "\n".format(response.xpath(
        '//div[@data-spm="return_warranty"]//div[@class="delivery-option-item__info"]//text()').extract())
except:
    return_warranty = ""