code: def __feed_backend_arthur(self, repo):
          
  
          # Always get pending items from arthur for all data sources
          self.__feed_arthur()
  
          tag = self.backend_tag(repo)
  
          logger.debug("Arthur items available for %s", self.arthur_items.keys())
  
          logger.debug("Getting arthur items for %s.", tag)
  
          if tag in self.arthur_items:
              logger.debug("Found items for %s.", tag)
              while self.arthur_items[tag]:
                  yield self.arthur_items[tag].pop()
docs: Feed Ocean with backend data collected from arthur redis queue