code: def test_dense_lowering(self) -> None:
      module = TestModule()
      predict_module = TestPredictModule(module)
      predict_module = quantize_dense(predict_module, torch.half)
      for param in predict_module.parameters():
          self.assertEqual(param.dtype, torch.half)
  
file_path: torchrec/torchrec/inference/tests/predict_module_tests.py
imports: import unittest
  from typing import Dict
  import torch
  import torch.nn
  from torchrec.inference.modules import PredictModule, quantize_dense
label_desc: Use image node_id 2 for calling the PredictModulesTest obj's underlying member method code with example usage: obj.test_dense_lowering() without return types