def parse(self, response):
    response.selector.remove_namespaces()
    store_urls = response.xpath('//url/loc/text()').extract()
    for store_url in store_urls:
        (yield scrapy.http.FormRequest(url=store_url, method='GET', dont_filter=True, cookies=COOKIES, headers=HEADERS, callback=self.parse_store))
def parse(self, response):
    response.selector.remove_namespaces()
    store_urls = response.xpath('//url/loc/text()').extract()
    for store_url in store_urls:
        (yield scrapy.http.FormRequest(url=store_url, method='GET', dont_filter=True, cookies=COOKIES, headers=HEADERS, callback=self.parse_store))