code: def _speak_header_always_inherit(self, element):
          
  
          self._speak_header_once_inherit(element)
  
          cell_elements = self.html_parser.find(element).find_descendants(
              'td[headers],th[headers]'
          ).list_results()
          accessible_display = AccessibleDisplayImplementation(
              self.html_parser,
              self.configure
          )
          for cell_element in cell_elements:
              accessible_display.display_cell_header(cell_element)
docs: The cells headers will be spoken for every data cell for element and
          descendants.
  
          :param element: The element.
          :type element: hatemile.util.html.htmldomelement.HTMLDOMElement