code: def refresh():
      refresh_remote_index()
  
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 22 for calling a global function with example usage: refresh() without return types