message: Fix //tensorflow_io/hadoop:hadoop_py_test failure on Python 3
diff: @@ -56,8 +56,8 @@ class SequenceFileDatasetTest(test.TestCase):
  sess.run(init_op)
  for _ in range(num_repeats): # Dataset is repeated.
  for i in range(25): # 25 records.
  - v0 = b"%03d" % (i + 1)
  - v1 = b"VALUE%03d" % (i + 1)
  + v0 = ("%03d" % (i + 1)).encode()
  + v1 = ("VALUE%03d" % (i + 1)).encode()
  self.assertEqual((v0, v1), sess.run(get_next))
  with self.assertRaises(errors.OutOfRangeError):
  sess.run(get_next)
  