message: resolve ImportError: cannot import name cloud on s390x - skip import clound
diff: @@ -20,13 +20,14 @@ from __future__ import division
  from __future__ import print_function
  import os
  +import platform
  # Add projects here, they will show up under tf.contrib.
  from tensorflow.contrib import autograph
  from tensorflow.contrib import batching
  from tensorflow.contrib import bayesflow
  from tensorflow.contrib import checkpoint
  -if os.name != "nt":
  +if os.name != "nt" and platform.machine() != "s390x":
  from tensorflow.contrib import cloud
  from tensorflow.contrib import cluster_resolver
  from tensorflow.contrib import coder
  