def render(self):
        return format_html('<ul{}>\n{}\n</ul>',
                           flatatt(self.attrs),
                           format_html_join('\n', '<li>{}</li>',
                                            ((force_text(w),) for w in self)))
Outputs a <ul> for this set of radio fields.
dataset/ETHPy150Open django/django/django/contrib/admin/widgets.py/AdminRadioFieldRenderer.render