code: def test_class_enumerator_empty_module():
      class EmptyModule:
          pass
  
      assert {} == ClassEnumerator(EmptyModule).get_models()
  
imports: import cuml
  from cuml.testing.utils import ClassEnumerator
label_desc: Use image node_id 3 for calling a global function with example usage: test_class_enumerator_empty_module() without return types