message: Upgrade default TF cuda version to cuda 10.
diff: @@ -33,7 +33,7 @@ except ImportError:
  from distutils.spawn import find_executable as which
  # pylint: enable=g-import-not-at-top
  -_DEFAULT_CUDA_VERSION = '9.0'
  +_DEFAULT_CUDA_VERSION = '10.0'
  _DEFAULT_CUDNN_VERSION = '7'
  _DEFAULT_CUDA_COMPUTE_CAPABILITIES = '3.5,7.0'
  _DEFAULT_CUDA_PATH = '/usr/local/cuda'
  