code: def test_smoke(self):
      StraightThroughEstimator(K.Normalize(0.5, 0.5))
  
file_path: kornia/test/grad_estimator/test_ste.py
imports: import pytest
  import torch
  import torch.nn.functional
  from torch.testing import assert_close
  import kornia.augmentation
  from kornia.grad_estimator import STEFunction, StraightThroughEstimator
label_desc: Use image node_id 1 for calling the TestSTE obj's underlying member method code with example usage: obj.test_smoke() without return types