code: def _torch_cuda_available():
      """Checks whether cuda is available. If so, torch-related tests are also tested on gpu."""
      try:
          import torch
  
          return torch.cuda.is_available()
      except ImportError:
          pass
  
      return False
  
file_path: shap/tests/explainers/test_deep.py
imports: import numpy
  import pandas
  import pytest
  from packaging import version
  import shap
  from shap import DeepExplainer
label_desc: Use image node_id 5 for calling a global function with example usage: _torch_cuda_available() and returns: False, torch