code: def test_get_parameters(self):
      alpha = iap.Deterministic(0.2)
      hysteresis_thresholds = iap.Deterministic(10)
      sobel_kernel_size = iap.Deterministic(3)
      colorizer = iaa.RandomColorsBinaryImageColorizer(
          color_true=10, color_false=20
      )
      aug = iaa.Canny(
          alpha=alpha,
          hysteresis_thresholds=hysteresis_thresholds,
          sobel_kernel_size=sobel_kernel_size,
          colorizer=colorizer,
      )
      params = aug.get_parameters()
      assert params[0] is aug.alpha
      assert params[1] is aug.hysteresis_thresholds
      assert params[2] is aug.sobel_kernel_size
      assert params[3] is colorizer
  
imports: from __future__ import print_function, division, absolute_import
  import itertools
  import sys
  import numpy
  import cv2
  from imgaug import augmenters
  from imgaug import parameters
  from imgaug import random
  from imgaug.testutils import reseed, runtest_pickleable_uint8_img, is_parameter_instance, remove_prefetching
label_desc: Use image node_id 13 for calling the TestCanny obj's underlying member method code with example usage: obj.test_get_parameters() without return types