def __del__(self):
        self.s.close()
Yields pairs (i, value) such that the row that represents `datapoint`
dataset/ETHPy150Open pawl/Chinese-RFID-Access-Control-Library/rfid.py/RFIDClient.__del__--crossover with--dataset/ETHPy150Open machinalis/featureforge/featureforge/flattener.py/FeatureMappingFlattener._sparse_transform_step