code: def __init__(
      self, strval: str, intval1: int = 5, intval2: int = None
  ):
      self.strval = strval
      self.intval1 = intval1
      self.intval2 = intval2
  
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 DemoDefaults object  with example: obj = DemoDefaults(strval, intval1, intval2)