code: def is_valid(self) -> bool:
      return True
  
imports: import copy
  import logging
  import time
  from typing import Callable, Sequence
  import torch
  from tqdm import tqdm
  from monailabel.interfaces.tasks.infer_v2 import InferTask, InferType
  from monailabel.interfaces.utils.transform import run_transforms
  from monailabel.tasks.infer.basic_infer import BasicInferTask
  from monailabel.transform.post import Restored
  from monailabel.transform.writer import Writer
  from monailabel.utils.others.generic import name_to_device
label_desc: Use image node_id 4 for calling the InferVertebraPipeline obj's underlying member method code with example usage: obj.is_valid() and returns: True