code: def testReduceFuncError(self):
      components = np.random.randint(100, size=(200,)).astype(np.int64)
  
      def my_reduce_func(_, window_dataset):
          # Introduce an incorrect padded shape that cannot (currently) be
          # detected at graph construction time.
          return window_dataset.padded_batch(
              4,
              padded_shapes=(
                  tensor_shape.TensorShape([]),
                  constant_op.constant([5], dtype=dtypes.int64) * -1,
              ),
          )
  
      dataset = dataset_ops.Dataset.from_tensor_slices(components)
      dataset = dataset.map(
          lambda x: (x, ops.convert_to_tensor([x * x]))
      )
      dataset = dataset.group_by_window(
          key_func=lambda x, _: x % 2,
          reduce_func=my_reduce_func,
          window_size=32,
      )
      get_next = self.getNext(dataset)
      with self.assertRaises(errors.InternalError) as error:
          self.evaluate(get_next())
  
      msg = str(error.exception)
      self.assertIn(
          error_codes_pb2.Code.Name(errors.INVALID_ARGUMENT), msg
      )
      self.assertIn(
          my_reduce_func.__name__,
          msg,
          "{} should show up in the error message".format(
              my_reduce_func.__name__
          ),
      )
  
imports: from absl.testing import parameterized
  import numpy
  from tensorflow.core.lib.core import error_codes_pb2
  from tensorflow.python.data.kernel_tests import checkpoint_test_base
  from tensorflow.python.data.kernel_tests import test_base
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.framework import combinations
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import string_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 1 for calling the GroupByWindowErrorMessageTest obj's underlying member method code with example usage: obj.testReduceFuncError() and returns: window_dataset