code: def test_rename_input_bad(self):
      utils.rename_feature(
          self.spec, "blah", "bad_name", rename_inputs=True
      )
      model = MLModel(self.spec)
  
      package = tempfile.TemporaryDirectory(suffix=".mlpackage")
      package.cleanup()
  
      model.save(package.name)
      loaded_model = MLModel(package.name)
  
      if utils._macos_version() >= (12, 0):
          preds = loaded_model.predict(
              {"feature_1": 1.0, "feature_2": 1.0}
          )
          assert preds is not None
          assert preds["output"] == 3.1
  
      # cleanup
      _remove_path(package.name)
  
imports: import os
  import shutil
  import tempfile
  import numpy
  import pytest
  import coremltools
  from coremltools import ComputeUnit, utils
  from coremltools._deps import _HAS_TORCH
  from coremltools.converters.mil import Builder
  from coremltools.libmodelpackage import ModelPackage
  from coremltools.models import MLModel
  from coremltools.models.utils import _MLPACKAGE_AUTHOR_NAME, _WEIGHTS_DIR_NAME
  from coremltools.proto import Model_pb2
label_desc: Use image node_id 8 for calling the TestMLModel obj's underlying member method code with example usage: obj.test_rename_input_bad() without return types