code: def parse_descedant_elements(self, element):
          '''parses all descendants of an etree element'''
          for descendant in element.iterdescendants():
              self.parsers[descendant.tag](descendantf parse_descedant_elements(self, element):
          '''parses all descendants of an etree element'''
          for descendant in element.iterdescendants():
              self.parsers[descendant.tag](descendant)
docs: parses all descendants of an etree element