code: def test_binary_filter():
      assert torch_allclose(BinaryFilter()(data), data > 0.5)
  
file_path: advertorch/tests/test_defenses_correct.py
imports: import numpy
  from scipy import ndimage
  from advertorch.test_utils import generate_data_model_on_img
  from advertorch.utils import torch_allclose
  from advertorch.defenses import BinaryFilter
  from advertorch.defenses import MedianSmoothing2D
label_desc: Use image node_id 1 for calling a global function with example usage: test_binary_filter() without return types