class_docstr: Test DataTransforms for images
class_docstr_tok: ["Test","DataTransforms","for","images"]
code: def test_blurring(self):
      # Check Blurring
      dt = DataTransforms(self.d)
      blurred = dt.gaussian_blur(sigma=1.5)
      check_blur = scipy.ndimage.gaussian_filter(self.d, 1.5)
      assert np.allclose(check_blur, blurred)
  
imports: import os
  import unittest
  import numpy
  import pytest
  import scipy.ndimage
  import deepchem
  from deepchem.trans.transformers import DataTransforms
label_desc: Use image node_id 2 for calling the TestDataTransforms obj's underlying member method code with example usage: obj.test_blurring() without return types