message: Make test pass in 2.0
diff: @@ -19,7 +19,7 @@ from __future__ import print_function
  import os
  import tempfile
  -import tensorflow as tf
  +import tensorflow.compat.v1 as tf
  from tensorflow.lite.toco import model_flags_pb2
  from tensorflow.lite.toco import toco_flags_pb2
  from tensorflow.lite.toco import types_pb2
  @@ -80,7 +80,7 @@ class TocoFromProtosTest(googletest.TestCase):
  def test_toco(self):
  """Run a couple of TensorFlow graphs against TOCO through the python bin."""
  - with tf.compat.v1.Session() as sess:
  + with tf.Session() as sess:
  img = tf.placeholder(name="img", dtype=tf.float32, shape=(1, 64, 64, 3))
  val = img + tf.constant([1., 2., 3.]) + tf.constant([1., 4., 4.])
  out = tf.identity(val, name="out")
  