code: def test_gpu_error(sklearn_version):
      with pytest.raises(ValueError) as e:
          image_uris.retrieve(
              "sklearn",
              region="us-west-2",
              version=sklearn_version,
              instance_type="ml.p2.xlarge",
          )
  
      assert "Unsupported processor: gpu." in str(e.value)
  
imports: from __future__ import absolute_import
  import pytest
  from sagemaker import image_uris
  from tests.unit.sagemaker.image_uris import expected_uris
label_desc: Use image node_id 3 for calling a global function with example usage: test_gpu_error(sklearn_version) without return types