Bytes representation of the HTML content.
        (`learn more <http://www.diveintopython3.net/strings.html>`_).

def raw_html(self) -> _RawHTML:
        """Bytes representation of the HTML content.
        (`learn more <http://www.diveintopython3.net/strings.html>`_).
        """
        if self._html:
            return self._html
        else:
            return etree.tostring(self.element, encoding='unicode').strip().encode(self.encoding)