message: Fix lint warning about long ternary expression.
diff: @@ -233,13 +233,14 @@ def _get_estimator_spec(
  estimator_spec = _get_eval_estimator_spec(
  gan_model, gan_loss, get_eval_metric_ops_fn)
  else: # model_fn_lib.ModeKeys.TRAIN:
  - gopt = (generator_optimizer() if callable(generator_optimizer) else
  - generator_optimizer)
  - dopt = (discriminator_optimizer() if callable(discriminator_optimizer)
  - else discriminator_optimizer)
  + if callable(generator_optimizer):
  + generator_optimizer = generator_optimizer()
  + if callable(discriminator_optimizer):
  + discriminator_optimizer = discriminator_optimizer()
  get_hooks_fn = get_hooks_fn or tfgan_train.get_sequential_train_hooks()
  estimator_spec = _get_train_estimator_spec(
  - gan_model, gan_loss, gopt, dopt, get_hooks_fn, is_chief=is_chief)
  + gan_model, gan_loss, generator_optimizer, discriminator_optimizer,
  + get_hooks_fn, is_chief=is_chief)
  return estimator_spec
  