code: def test_pickleable(self):
      aug = iaa.FastSnowyLandscape(
          lightness_threshold=(50, 150),
          lightness_multiplier=(1.0, 3.0),
          seed=1,
      )
      runtest_pickleable_uint8_img(aug)
  
imports: from __future__ import print_function, division, absolute_import
  import sys
  import numpy
  import cv2
  import imgaug
  from imgaug import augmenters
  from imgaug import parameters
  from imgaug.testutils import reseed, runtest_pickleable_uint8_img, is_parameter_instance
label_desc: Use image node_id 8 for calling the TestFastSnowyLandscape obj's underlying member method code with example usage: obj.test_pickleable() without return types