code: def test_random_mask_pixel():
      for ndim in (2, 3):
          yield check_random_mask_pixel, ndim
  
imports: import nose_utils
  import numpy
  import nvidia.dali
  import nvidia.dali.fn
  import nvidia.dali.types
  import nvidia.dali.math
label_desc: Use image node_id 2 for calling a global function with example usage: test_random_mask_pixel() without return types