code: def test_pickle_with_prior(self):
      kernel = self.create_kernel_with_prior(NormalPrior(0, 1))
      pickle.loads(pickle.dumps(kernel))
  
imports: import math
  import pickle
  import unittest
  import torch
  from gpytorch.kernels import MaternKernel
  from gpytorch.priors import NormalPrior
  from gpytorch.test.base_kernel_test_case import BaseKernelTestCase
label_desc: Use image node_id 11 for calling the TestMaternKernel obj's underlying member method code with example usage: obj.test_pickle_with_prior() without return types