docs: def _handle_no_candidates(self):
          """
          If we fail to find a good candidate we need to find something else.
          """
          # since we've not found a good candidate we're should help this
          if self.dom is not None and len(self.dom):
              dom = prep_article(self.dom)
              dom = build_base_document(dom, self._return_fragment)
              return self._remove_orphans(
                  dom.get_element_by_id("readabilityBody"))
          else:
              logger.info("No document to use.")
              return build_error_document(self._return_fragment)