code: def test_double_decorated_functions():
      from autoserialize_test import double_decorated_functions
  
      invoke_autoserialize(
          double_decorated_functions, serialized_filename
      )
  
imports: from nvidia.dali._utils.autoserialize import invoke_autoserialize
  from nose_utils import raises
label_desc: Use image node_id 3 for calling a global function with example usage: test_double_decorated_functions() without return types