code: def create_kernel_with_prior(self, prior):
      return IndexKernel(num_tasks=1, prior=prior)
  
imports: import unittest
  from gpytorch.kernels import IndexKernel
  from gpytorch.priors import NormalPrior
label_desc: Use image node_id 1 for calling the TestIndexKernel obj's underlying member method code with example usage: obj.create_kernel_with_prior(prior) and returns: IndexKernel