code: def wait_for_queue(self, qid):
      if not self.queue_ids.get(qid):
          return {"Error": "QID not found"}
      return self.queue_ids[qid].get()
  
imports: import os
  import time
  import jax
  import optax
  import threading
  import numpy
  import logging
  from queue import Queue, Empty
  from jax.experimental import maps
  from transformers import GPT2TokenizerFast
  from mesh_transformer.checkpoint import read_ckpt
  from mesh_transformer.sampling import nucleaus_sample
  from mesh_transformer.transformer_shard import CausalTransformer
label_desc: Use image node_id 8 for calling the GPTJ obj's underlying member method code with example usage: obj.wait_for_queue(qid) and returns: self, dict