code: def test_community_register():
      assert (
          "huggingface"
          in registry_lib.community_register.list_namespaces()
      )
  
imports: import os
  import pathlib
  import tempfile
  import textwrap
  from unittest import mock
  import pytest
  from tensorflow_datasets import testing
  from tensorflow_datasets.core import naming
  from tensorflow_datasets.core import registered
  from tensorflow_datasets.core.community import register_package
  from tensorflow_datasets.core.community import register_path
  from tensorflow_datasets.core.community import registry
  from tensorflow_datasets.core.utils import gcs_utils
label_desc: Use image node_id 7 for calling a global function with example usage: test_community_register() without return types