code: def testMap_MultiOutputMismatchedDtype(self):
      nums = np.array([1, 2, 3, 4, 5, 6])
      with self.assertRaisesRegex(
          TypeError,
          r"two structures don't have the same nested structure",
      ):
          # lambda emits tuple, but dtype is a list
          map_fn.map_fn(
              lambda x: ((x + 3) * 2, -(x + 3) * 2),
              nums,
              dtype=[dtypes.int64, dtypes.int64],
          )
  
imports: import numpy
  from tensorflow.python.eager import context
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gradients_impl
  from tensorflow.python.ops import init_ops
  from tensorflow.python.ops import map_fn
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import resource_variable_ops
  from tensorflow.python.ops import variable_scope
  from tensorflow.python.ops import variables
  from tensorflow.python.ops.ragged import ragged_factory_ops
  from tensorflow.python.ops.ragged import ragged_tensor
  import tensorflow.python.ops.tensor_array_grad
  from tensorflow.python.platform import test
label_desc: Use image node_id 11 for calling the MapFnTest obj's underlying member method code with example usage: obj.testMap_MultiOutputMismatchedDtype() without return types