code: def flush_uid(self, uid: int) -> None:
      with self.lock:
          if self.is_rank_0:
              self._queue_flush_request(uid)
          self.uids.remove(uid)
  
imports: import copy
  import gc
  import os
  import queue
  import random
  import threading
  import time
  from collections import deque, defaultdict
  from functools import cached_property
  from typing import Dict, Tuple, List, Any, Union, DefaultDict
  import torch
  import ujson
  import zmq
  from deepspeed.accelerator import get_accelerator
  from deepspeed.utils.timer import SynchronizedWallClockTimer
  from mii.batching.constants import TOP_K_NAME, TOP_P_NAME, TEMP_NAME, SAMPLER_NAME, STOP_NAME
  from mii.batching.data_classes import Response, Request, RequestBatch
  from mii.batching.generation.logit_processors import TopPLogitProcessor, TopKLogitProcessor, TemperatureLogitProcessor
  from mii.batching.generation.samplers import LogitsSampler, GreedySampler
  from mii.batching.generation.stop_criterion import EosGenerationStopCriterion, TokenStopCriterion
  from mii.batching.postprocess import run_batch_logit_processing, run_batch_sampler, run_batch_stop_criterion
  from mii.batching.utils import sync_debug, profiler
  from mii.config import GenerateParamsConfig
  from mii.constants import GenerationFinishReason, ZMQ_RECV_TIMEOUT
  from mii.logging import logger
label_desc: Use image node_id 9 for calling the MIIAsyncPipeline obj's underlying member method code with example usage: obj.flush_uid(uid) without return types