message: Update hadoop_test.py to and use tensorflow_io
diff: @@ -20,7 +20,7 @@ from __future__ import print_function
  import os
  -from tensorflow.contrib.hadoop.python.ops import hadoop_dataset_ops
  +from tensorflow_io.hadoop.python.ops import hadoop_dataset_ops
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  