code: def test_direct_import():
      from autoserialize_test import decorated_function
  
      invoke_autoserialize(decorated_function, serialized_filename)
  
imports: from nvidia.dali._utils.autoserialize import invoke_autoserialize
  from nose_utils import raises
label_desc: Use image node_id 1 for calling a global function with example usage: test_direct_import() without return types