Route foo

tensorflow/python/eager/function_test.py:None–None

function.defun(input_signature=[
        [tensor_spec.TensorSpec((2, None), dtypes.float32)] * 2,
        tensor_spec.TensorSpec((1,), dtypes.float32),
    ])

# Copyright 2017 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.