code: def pass_to_pipeline_if_article(
              self,
              response,
              source_domain,
              original_url,
              rss_title=None
      ):
          
          if self.helper.heuristics.is_article(response, original_url):
              return self.pass_to_pipeline(
                  response, source_domain, rss_title=None)
docs: Responsible for passing a NewscrawlerItem to the pipeline if the
          response contains an article.
  
          :param obj response: the scrapy response to work on
          :param str source_domain: the response's domain as set for the crawler
          :param str original_url: the url set in the json file
          :param str rss_title: the title extracted by an rssCrawler
          :return NewscrawlerItem: NewscrawlerItem to pass to the pipeline