code: def get_single_image(image_url: str) -> bytes:
      r = requests.get(image_url)
      assert r.ok, "Downloading image failed"
      return r.content
  
imports: from typing import Union, Iterable, Tuple, Optional
  import os
  import requests
  import shutil
  import sys
  import tensorflow.compat.v1
  import time
  from ray.util.scheduling_strategies import NodeAffinitySchedulingStrategy
  import ray
label_desc: Use image node_id 6 for calling a global function with example usage: get_single_image(image_url) and returns: r