code: def set_epoch(self, epoch):
      self.curr_seed = self.base_seed + epoch
  
imports: import random
  import torch
  import numpy
  from torch.utils.data import Dataset
  from megatron import get_args
  from megatron.core import mpu
label_desc: Use image node_id 3 for calling the RandomSeedDataset obj's underlying member method code with example usage: obj.set_epoch(epoch) without return types