def get_val(self, key):
        raise NotImplementedError
Check FetchResponses for topic authorization failures.
dataset/ETHPy150Open brandonrobertz/SparseLSH/sparselsh/storage.py/BaseStorage.get_val--crossover with--dataset/ETHPy150Open dpkp/kafka-python/kafka/consumer/fetcher.py/Fetcher._raise_if_unauthorized_topics