message: Update func_graph.py
  Fixing error message. removed "contrib" usage.
diff: @@ -937,7 +937,7 @@ def func_graph_from_py_func(name,
  x = ops.convert_to_tensor_or_composite(x)
  except (ValueError, TypeError):
  raise TypeError(
  - "To be compatible with tf.contrib.eager.defun, Python functions "
  + "To be compatible with tf.eager.defun, Python functions "
  "must return zero or more Tensors; in compilation of %s, found "
  "return value of type %s, which is not a Tensor." %
  (str(python_func), type(x)))
  