code: def get_checkpoint_path(checkpoint_id):
      """Returns checkpoint's directory."""
      return os.path.join(get_checkpoints_directory(), checkpoint_id)
  
imports: import click
  import json
  import os
  import shutil
  import six
  import requests
  import tarfile
  import tempfile
  import tensorflow
  import uuid
  from datetime import datetime
  from luminoth import __version__
  from luminoth.utils.config import get_config
  from luminoth.utils.homedir import get_luminoth_home
label_desc: Use image node_id 2 for calling a global function with example usage: get_checkpoint_path(checkpoint_id) and returns: os