code: def test_datalab_unavailable():
      with patch.dict(
          sys.modules,
          {
              "cleanlab.datalab.datalab": ImportError(
                  "Mocked ImportError"
              )
          },
      ):
          # Reload the module to trigger the import statement
          import cleanlab
  
          importlib.reload(cleanlab)
  
          assert cleanlab.Datalab.message == (
              "Datalab is not available due to missing dependencies. "
              "To install Datalab, run `pip install 'cleanlab[datalab]'`."
          )
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_datalab_unavailable() without return types