message: Comment update for main-op in the SavedModel builder APIs.
diff: @@ -252,7 +252,9 @@ class SavedModelBuilder(object):
  restore op upon a load.
  clear_devices: Set to true if the device info on the default graph should
  be cleared.
  - main_op: Op or group of ops to execute when the graph is loaded.
  + main_op: Op or group of ops to execute when the graph is loaded. Note
  + that when the main_op is specified it is run after the restore op at
  + load-time.
  Raises:
  AssertionError: If the variables for the SavedModel have not been saved
  @@ -324,7 +326,9 @@ class SavedModelBuilder(object):
  restore op upon a load.
  clear_devices: Set to true if the device info on the default graph should
  be cleared.
  - main_op: Op or group of ops to execute when the graph is loaded.
  + main_op: Op or group of ops to execute when the graph is loaded. Note
  + that when the main_op is specified it is run after the restore op at
  + load-time.
  """
  if self._has_saved_variables:
  raise AssertionError("Graph state including variables and assets has "
  