code: def test_gamma_prior_log_prob_log_transform_cuda(self):
      if torch.cuda.is_available():
          with least_used_cuda_device():
              return self.test_gamma_prior_log_prob_log_transform(
                  cuda=True
              )
  
file_path: gpytorch/test/priors/test_gamma_prior.py
imports: import unittest
  import torch
  from torch.distributions import Gamma
  from gpytorch.priors import GammaPrior
  from gpytorch.test.utils import least_used_cuda_device
label_desc: Use image node_id 6 for calling the TestGammaPrior obj's underlying member method code with example usage: obj.test_gamma_prior_log_prob_log_transform_cuda() and returns: self