def access_token_body(self, request, _url, headers):
        """
        Get the nonce from the request parameters, add it to the id_token, and
        return the complete response.
        """
        nonce = parse_qs(request.body).get('nonce')
        body = self.prepare_access_token_body(nonce=nonce)
        return 200, headers, body

        Get the nonce from the request parameters, add it to the id_token, and
        return the complete response.
        
social/tests/backends/open_id.py