`PyQuery <https://pythonhosted.org/pyquery/>`_ representation
        of the :class:`Element <Element>` or :class:`HTML <HTML>`.

def pq(self) -> PyQuery:
        """`PyQuery <https://pythonhosted.org/pyquery/>`_ representation
        of the :class:`Element <Element>` or :class:`HTML <HTML>`.
        """
        if self._pq is None:
            self._pq = PyQuery(self.lxml)

        return self._pq