message: Modifies unsupported properties of EagerTensor to raise AttributeErrors
  instead of NotImplementedErrors.
diff: @@ -741,19 +741,19 @@ class _EagerTensorBase(Tensor):
  # Methods not supported / implemented for Eager Tensors.
  @property
  def op(self):
  - raise NotImplementedError("op not supported for Eager Tensors.")
  + raise AttributeError("op not supported for Eager Tensors.")
  @property
  def graph(self):
  - raise NotImplementedError("graph not supported for Eager Tensors.")
  + raise AttributeError("graph not supported for Eager Tensors.")
  @property
  def name(self):
  - raise NotImplementedError("name not supported for Eager Tensors.")
  + raise AttributeError("name not supported for Eager Tensors.")
  @property
  def value_index(self):
  - raise NotImplementedError("value_index not supported for Eager Tensors.")
  + raise AttributeError("value_index not supported for Eager Tensors.")
  def consumers(self):
  raise NotImplementedError("consumers not supported for Eager Tensors.")
  