code: def __iter__(self):
      while self.tcmf_data_loader.epoch == self.last_epoch:
          yield self.get_next_batch()
      self.last_epoch += 1
  
imports: import torch
  import torch.nn
  import torch.optim
  from torch.utils.data import DataLoader
  import torch.distributed
  from bigdl.chronos.model.tcmf.local_model import TemporalConvNet
  import ray
  import horovod.torch
label_desc: Use image node_id 2 for calling the TcmfTrainDatasetDist obj's underlying member method code with example usage: obj.__iter__() without return types