def keys(self):
        return self._dict.keys()
Test the _write_shadow() method
dataset/ETHPy150Open ntoll/p4p2p/p4p2p/dht/storage.py/DictDataStore.keys--crossover with--dataset/ETHPy150Open jmcnamara/XlsxWriter/xlsxwriter/test/vml/test_write_shadow.py/TestWriteVshadow.test_write_shadow