def set_many(self, mapping, timeout=None):
    mapping = {self._scoped(key): value for (key, value) in mapping.items()}
    self.cache.set_many(mapping, timeout=timeout)
def set_many(self, mapping, timeout=None):
    mapping = {self._scoped(key): value for (key, value) in mapping.items()}
    self.cache.set_many(mapping, timeout=timeout)