message: Making the for_canonicalization_test only for py2
  http://ci.tensorflow.org/view/Release/job/release-matrix-cpu/TF_BUILD_CONTAINER_TYPE=CPU,TF_BUILD_IS_PIP=PIP,TF_BUILD_PYTHON_VERSION=PYTHON3,label=mac-slave/239/consoleFull
diff: @@ -131,6 +131,7 @@ py_test(
  py_test(
  name = "for_canonicalization_test",
  srcs = ["for_canonicalization_test.py"],
  + srcs_version = "PY2",
  deps = [
  ":test_lib",
  "//tensorflow/contrib/py2tf/pyct",
  