message: added dtype to test
diff: @@ -477,7 +477,7 @@ class FlattenTest(test.TestCase):
  self.assertEqual(shape.as_list(), [None, None])
  def testDataFormat(self):
  - np_input_channels_last = np.arange(3, 7).reshape([1, 2, 3, 2])
  + np_input_channels_last = np.arange(12, dtype='float32').reshape([1, 2, 3, 2])
  with self.test_session() as sess:
  x = array_ops.placeholder(shape=(1, 2, 3, 2), dtype='float32')
  