def get_redirect_uri(self, areq):
        """ verify that the redirect URI is reasonable

        :param areq: The Authorization request
        :return: Tuple of (redirect_uri, Response instance)
            Response instance is not None of matching redirect_uri failed
        """
        if areq in 'redirect_uri':
            self._verify_redirect_uri(areq)
            uri = areq["redirect_uri"]
        else:
            raise ParameterError(
                "Missing redirect_uri and more than one or none registered")

        return uri
dataset/ETHPy150Open rohe/pyoidc/src/oic/oauth2/provider.py/Provider.get_redirect_uri/swapped operands of `in`