def get_many_from_fallback(self, missing_keys):
        raise NotImplementedError('Please implement this')
Given str, bytes, bytearray, or unicode (py2), return str
dataset/ETHPy150Open tschellenbach/Stream-Framework/stream_framework/storage/redis/structures/hash.py/FallbackHashCache.get_many_from_fallback--crossover with--dataset/ETHPy150Open saltstack/salt/salt/utils/__init__.py/to_str