code: def __init__(self, n_classes):
      self.n_classes = n_classes
  
imports: import os
  import pickle
  import shutil
  import time
  import numpy
  import wandb
  from PIL import Image
label_desc: Use image node_id 1 to create a new ExampleSegmentationModel object  with example: obj = ExampleSegmentationModel(n_classes)