def zcard(self, key):

        offset = self.get_node_offset(key)
        return self.servers[offset].zcard(key)
Called before `run` to allow for service->service or other side-effecting setup.
dataset/ETHPy150Open gmr/mredis/mredis/client.py/MRedis.zcard--crossover with--dataset/ETHPy150Open pantsbuild/pants/src/python/pants/pantsd/service/pants_service.py/PantsService.setup