code: def __init__(
      self,
      tensor: torch.Tensor,
  ) -> None:
      self.tensor = tensor
  
imports: import io
  import os
  import unittest
  from typing import Any, Dict, List
  import torch
  import torch.distributed
  from torch.autograd import Variable
  from torch.distributed._shard import sharded_tensor, sharding_spec
  from torchrec.optim.keyed import CombinedOptimizer, KeyedOptimizer, KeyedOptimizerWrapper, OptimizerWrapper
  from torchrec.test_utils import get_free_port
label_desc: Use image node_id 1 to create a new DummyOptimizerModule object  with example: obj = DummyOptimizerModule(tensor)