code: def test_on_pil_image(self) -> None:
      for w in range(1, 100):
          for h in range(1, 100):
              gaussian_blur = GaussianBlur()
              sample = Image.new("RGB", (w, h))
              gaussian_blur(sample)
  
file_path: lightly/tests/transforms/test_gaussian_blur.py
imports: import unittest
  from PIL import Image
  from lightly.transforms.gaussian_blur import GaussianBlur
label_desc: Use image node_id 1 for calling the TestGaussianBlur obj's underlying member method code with example usage: obj.test_on_pil_image() without return types