code: def add_to_queue(self, item):
      self.qidx += 1
      self.queue.put({"item": self.to_data(item), "qidx": self.qidx})
      self.queue_ids[self.qidx] = Queue()
      return {"qid": self.qidx}
  
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 7 for calling the GPTJ obj's underlying member method code with example usage: obj.add_to_queue(item) and returns: dict