@property
    def changed(self):
        return self.value != self.previous_value
Nominatim.geocode using `addressdetails`
dataset/ETHPy150Open datastax/python-driver/cassandra/cqlengine/columns.py/BaseValueManager.changed--crossover with--dataset/ETHPy150Open geopy/geopy/test/geocoders/nominatim.py/NominatimTestCase.test_city_district_with_dict_query