message: Fix error message in python/training/supervisor.py
diff: @@ -306,7 +306,7 @@ class Supervisor(object):
  @end_compatibility
  """
  if context.executing_eagerly():
  - raise RuntimeError("Supervisors are compatible with eager execution.")
  + raise RuntimeError("Supervisors are incompatible with eager execution.")
  # Set default values of arguments.
  if graph is None:
  graph = ops.get_default_graph()
  