def get_many(self, keys, version=None):
        d = {}
        for k in keys:
            val = self.get(k, version=version)
            if val is not None:
                d[k] = val
        return d
Initialize this L{BufferedHandler}.
dataset/ETHPy150Open django/django/django/core/cache/backends/base.py/BaseCache.get_many--crossover with--dataset/ETHPy150Open twisted/twisted/twisted/logger/test/test_stdlib.py/BufferedHandler.__init__