code: def test_improper_decorated_function():
      from autoserialize_test import improper_decorated_function
  
      invoke_autoserialize(
          improper_decorated_function, serialized_filename
      )
  
imports: from nvidia.dali._utils.autoserialize import invoke_autoserialize
  from nose_utils import raises
label_desc: Use image node_id 4 for calling a global function with example usage: test_improper_decorated_function() without return types