def parse(self, response):
        prices_item = ScgPriceItem()
        selector = Selector(text=response.text)
        prices = selector.xpath('//div[@class="hawk-results-item__options-table-cell hawk-results-item__options-table-cell--price childAttributes"]/text()').getall()
        valid_prices = [float(price[1::]) for price in prices]
        prices_item['max_price'] = max(valid_prices)
        prices_item['min_price'] = min(valid_prices)
        print(prices_item)
        return prices_item

=======bot.py==========

runner = CrawlerRunner(get_project_settings())
    d = runner.crawl('starcitygames', domain='starcitygames.com', myurls=[card_search])
    d.addBoth(lambda _: reactor.stop())
    reactor.run()