message: Fix whitespace, revert batchnorm test change
  batchnorm test change seems unrelated to this PR, so reverted.
diff: @@ -507,13 +507,13 @@ class ConvolutionTest(test.TestCase):
  self.assertEqual(
  len(ops.get_collection(ops.GraphKeys.REGULARIZATION_LOSSES)), 1)
  - def testConvWithNorm(self):
  + def testConvWithBatchNorm(self):
  height, width = 7, 9
  with self.test_session():
  images = random_ops.random_uniform((5, height, width, 32), seed=1)
  with arg_scope(
  [layers_lib.convolution2d],
  - normalizer_fn=_layers._norm,
  + normalizer_fn=_layers.batch_norm,
  normalizer_params={'decay': 0.9}):
  net = layers_lib.convolution2d(images, 32, [3, 3])
  net = layers_lib.convolution2d(net, 32, [3, 3])
  