message: replace initialize_all_variables
diff: @@ -196,14 +196,14 @@ class TestUpgrade(test_util.TensorFlowTestCase):
  # make some variables
  _ = [tf.Variable([1, 2, 3], dtype=tf.float32),
  tf.Variable([1, 2, 3], dtype=tf.int32)]
  - s.run(tf.initialize_all_variables())
  + s.run(tf.global_variables_initializer())
  _ = [v.name for v in tf.all_variables()]
  _ = [v.name for v in tf.local_variables()]
  def testSummaries(self):
  with self.cached_session() as s:
  var = tf.Variable([1, 2, 3], dtype=tf.float32)
  - s.run(tf.initialize_all_variables())
  + s.run(tf.global_variables_initializer())
  x, y = np.meshgrid(np.linspace(-10, 10, 256), np.linspace(-10, 10, 256))
  image = np.sin(x**2 + y**2) / np.sqrt(x**2 + y**2) * .5 + .5
  image = image[None, :, :, None]
  