message: fixing to coding style, too long line.
diff: @@ -3105,7 +3105,8 @@ class PngTest(test_util.TensorFlowTestCase):
  def testExisting(self):
  # Read some real PNGs, converting to different channel numbers
  prefix = "tensorflow/core/lib/png/testdata/"
  - inputs = (1, "lena_gray.png"), (4, "lena_rgba.png"), (3, "lena_palette.png"), (4, "lena_palette_trns.png")
  + inputs = ((1, "lena_gray.png"), (4, "lena_rgba.png"),
  + (3, "lena_palette.png"), (4, "lena_palette_trns.png"))
  for channels_in, filename in inputs:
  for channels in 0, 1, 3, 4:
  with self.test_session(use_gpu=True) as sess:
  