def render_pdf(self, *args, **kwargs):
        """
        Render the PDF and returns as bytes.

        :rtype: bytes
        """
        html = self.render_html(*args, **kwargs)

        options = self.get_pdfkit_options()
        if 'debug' in self.request.GET and settings.DEBUG:
            options['debug-javascript'] = 1

        kwargs = {}
        wkhtmltopdf_bin = os.environ.get('WKHTMLTOPDF_BIN')
        if wkhtmltopdf_bin:
            kwargs['configuration'] = pdfkit.configuration(wkhtmltopdf=wkhtmltopdf_bin)

        pdf = pdfkit.from_string(html, False, options, **kwargs)

        return pdf
Render the PDF and returns as bytes.

        :rtype: bytes