code: def test_deepstate_on_tsf_dataset():
      dataset = get_dataset("covid_deaths")
  
      estimator = DeepStateEstimator(
          cardinality=[len(dataset)],
          freq=dataset.metadata.freq,
          prediction_length=dataset.metadata.prediction_length,
          trainer=Trainer(
              ctx="cpu",
              epochs=1,
              learning_rate=1e-3,
              num_batches_per_epoch=1,
              hybridize=False,
          ),
      )
      estimator.train(dataset.train)
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_deepstate_on_tsf_dataset() without return types