code: def test_ccb_non_slot_none_outcome():
      model = vowpalwabbit.Workspace(quiet=True, ccb_explore_adf=True)
      example = vowpalwabbit.Example(
          vw=model,
          labelType=vowpalwabbit.LabelType.CONDITIONAL_CONTEXTUAL_BANDIT,
      )
      label = example.get_label(vowpalwabbit.CCBLabel)
      # CCB label is set to UNSET by default.
      assert label.type == vowpalwabbit.CCBLabelType.UNSET
      assert label.outcome is None
  
imports: import vowpalwabbit
label_desc: Use image node_id 4 for calling a global function with example usage: test_ccb_non_slot_none_outcome() without return types