def check_address(self):
    schema = self.meta.get_schema()
    if schema:
        sql = 'SELECT {},{} FROM {}'.format(schema.get('sid'), schema.get('header'), self._address.name)
        feature_data = self.execute(sql)
        for feature in feature_data:
            if feature:
                break
    return True
def check_address(self):
    schema = self.meta.get_schema()
    if schema:
        sql = 'SELECT {},{} FROM {}'.format(schema.get('sid'), schema.get('header'), self._address.name)
        feature_data = self.execute(sql)
        for feature in feature_data:
            if feature:
                break
    return True