message: Actually return the value from train_and_evaluate.
diff: @@ -444,7 +444,7 @@ def train_and_evaluate(estimator, train_spec, eval_spec):
  'For distributed training, there can only be one `evaluator` task '
  '(with task id 0). Given task id {}'.format(config.task_id))
  - executor.run()
  + return executor.run()
  class _StopAtSecsHook(session_run_hook.SessionRunHook):
  