code: def _parse_attributes(self, element_name, package_class, namespace=''):
          
          return package_class(
              self._channel.find(
                  './/{0}{1}'.format(namespace, element_name)
              ).attrib
          )
docs: Returns an instance of the package_class instantiated with a
          dictionary of the attributes from element_name in the specified
          namespace of the RSS feed.