code: def get_tensorboard_url() -> str:
      task_id = os.environ["DET_TASK_ID"]
      port = os.environ["TENSORBOARD_PORT"]
      tensorboard_addr = f"http://localhost:{port}/proxy/{task_id}"
      return tensorboard_addr
  
imports: import json
  import logging
  import os
  import queue
  import subprocess
  import sys
  import tempfile
  import threading
  import time
  from typing import Any, Callable, Dict, List
  import boto3
  import requests
  from packaging import version
  import determined
  import determined.common
  from determined.tensorboard import fetchers
label_desc: Use image node_id 3 for calling a global function with example usage: get_tensorboard_url() and returns: tensorboard_addr