def async_find(self, callback, **filters):
        self._schedule(self.store_find_async,
                       callback=callback, filters=filters)
Returns if field is an existing field in the hash stored at key.
dataset/ETHPy150Open kivy/kivy/kivy/storage/__init__.py/AbstractStore.async_find--crossover with--dataset/ETHPy150Open deldotdr/txRedis/txredis/client.py/RedisClient.hexists