code: def get_short_name(cls):
      return "tvtwfe"
  
imports: from dipy.workflows.workflow import Workflow
  from dipy.workflows.combined_workflow import CombinedWorkflow
label_desc: Use image node_id 1 for calling the DummyVariableTypeErrorWorkflow obj's underlying member method code with example usage: obj.get_short_name(cls) and returns: str