code: def __init__(self, *args: Any, **kwargs: Any) -> None:
      super().__init__(*args, **kwargs)
  
file_path: torchrec/torchrec/optim/tests/test_warmup.py
imports: import unittest
  from collections import defaultdict
  from typing import Any
  import torch
  from torch.autograd import Variable
  from torchrec.optim.keyed import KeyedOptimizer
  from torchrec.optim.warmup import WarmupOptimizer, WarmupPolicy, WarmupStage
label_desc: Use image node_id 1 to create a new DummyKeyedOptimizer object from inherited base classes: KeyedOptimizer with example: obj = DummyKeyedOptimizer()