@DictFeat(values={True: '1', False: '0'}, keys=list(range(1,9)))
    def a_read_write_dictionary_property(self, key):
        return self.query('?DOU {}'.format(key))
Returns True if 'self' is a proper subset of 'other'.
dataset/ETHPy150Open LabPy/lantz/lantz/drivers/examples/serial_example.py/SerialTemplate.a_read_write_dictionary_property--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/sets/sets.py/Set.is_proper_subset