old_contents: import paddle.v2.fluid as fluid
  import paddle.v2.fluid.layers as layers
  import op_test
  import numpy
  import unittest
  
  
  class TestFetchVar(op_test.OpTest):
      def test_fetch_var(self):
          val = numpy.array([1, 3, 5]).astype(numpy.int32)
          x = layers.create_tensor(dtype="int32", persistable=True, name="x")
          layers.assign(input=val, output=x)
          exe = fluid.Executor(fluid.CPUPlace())
          exe.run(fluid.default_main_program(), feed={}, fetch_list=[])
          fetched_x = fluid.fetch_var("x")
          self.assertTrue(
              numpy.array_equal(fetched_x, val),
              "fetch_x=%s val=%s" % (fetched_x, val))
          self.assertEqual(fetched_x.dtype, val.dtype)
  
  
  if __name__ == '__main__':
      unittest.main()
  
new_contents: #   Copyright (c) 2018 PaddlePaddle 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.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import paddle.v2.fluid as fluid
  import paddle.v2.fluid.layers as layers
  import op_test
  import numpy
  import unittest
  
  
  class TestFetchVar(op_test.OpTest):
      def test_fetch_var(self):
          val = numpy.array([1, 3, 5]).astype(numpy.int32)
          x = layers.create_tensor(dtype="int32", persistable=True, name="x")
          layers.assign(input=val, output=x)
          exe = fluid.Executor(fluid.CPUPlace())
          exe.run(fluid.default_main_program(), feed={}, fetch_list=[])
          fetched_x = fluid.fetch_var("x")
          self.assertTrue(
              numpy.array_equal(fetched_x, val),
              "fetch_x=%s val=%s" % (fetched_x, val))
          self.assertEqual(fetched_x.dtype, val.dtype)
  
  
  if __name__ == '__main__':
      unittest.main()
  
subject: Fix copyright for test_fetch_var.py