def __getitem__(self, item):
        """
        Given a service or user identifier return a suitable client
        :param item:
        :return:
        """
        try:
            return self.client[item]
        except __HOLE__:
            return self.dynamic_client(issuer=item)
dataset/ETHPy150Open rohe/pyoidc/src/oic/utils/rp/__init__.py/OIDCClients.__getitem__