code: def set_inner_epochs(self, epochs):
      self.epochs = epochs
  
imports: import contextlib
  import logging
  import queue
  from typing import Dict, List
  import numpy
  import torch
  from PIL import Image
  from torch.utils.data import Dataset
  from torch.utils.data.distributed import DistributedSampler
label_desc: Use image node_id 4 for calling the StratifiedClassSampler obj's underlying member method code with example usage: obj.set_inner_epochs(epochs) without return types