message: Fix numpy-ndarray bug
  On zSystems, the ndarray is not retaining the values for nparray. Defining the data type is required to get the desired behavior.
diff: @@ -627,7 +627,7 @@ def _ConstantValue(tensor, partial):
  elif tensor.op.type == "Rank":
  input_shape = tensor.op.inputs[0].get_shape()
  if input_shape.ndims is not None:
  - return np.ndarray(shape=(), buffer=np.array([input_shape.ndims]),
  + return np.ndarray(shape=(), buffer=np.array([input_shape.ndims], dtype=np.int32),
  dtype=np.int32)
  else:
  return None
  