code: def _get_key(key: int):
      return f"tensorstore_checkpoint_{key}"
  
imports: from __future__ import annotations
  import abc
  import asyncio
  from collections.abc import Awaitable, Sequence
  import itertools
  import logging
  from functools import partial
  import os
  import re
  import time
  import threading
  from typing import Any, Callable, Optional, Union
  import jax
  from jax._src import distributed
  from jax._src import array
  from jax._src import sharding
  from jax._src import sharding_impls
  from jax._src import typing
  from jax._src.lib import xla_extension
  import jax.numpy
  import numpy
  import tensorstore
label_desc: Use image node_id 8 for calling a global function with example usage: _get_key(key) and returns: str, key