def keys(self):
        if self._metadata:
            return self._metadata.keys
        else:
            return []
Sets up request dict for Get
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/engine/result.py/ResultProxy.keys--crossover with--dataset/ETHPy150Open abunsen/Paython/paython/lib/api.py/GetGateway.unset