code: def field_allowed(field):
      return field in [
          "name",
          "description",
          "alias",
          "dataset.name",
          "dataset.num_classes",
      ]
  
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 8 for calling a global function with example usage: field_allowed(field) and returns: unknown