code: def __init__(self, demob: DemoB, attrc: int = 3):
      self.demob = demob
      self.attrc = attrc
  
imports: import unittest
  from pathlib import Path
  from typing import Any, Dict, List
  from transfer_nlp.plugins.config import CallableInstantiationError, ExperimentConfig, LoopInConfigError, UnknownPluginException, UnknownReferenceError, register_plugin
label_desc: Use image node_id 1 to create a new DemoC object  with example: obj = DemoC(demob, attrc)