def dump_issuer_keys(self, issuer):
        res = []
        try:
            for kb in self.issuer_keys[issuer]:
                res.extend([k.to_dict() for k in kb.keys()])
        except __HOLE__:
            pass

        return res
dataset/ETHPy150Open rohe/pyoidc/src/oic/utils/keyio.py/KeyJar.dump_issuer_keys