message: Neaten the line length
diff: @@ -34,15 +34,12 @@ def my_model(features, labels, mode):
  else:
  loss = None
  if mode == tf.estimator.ModeKeys.TRAIN:
  - train = tf.train.GradientDescentOptimizer(0.01).minimize(loss,
  - tf.train.get_global_step())
  + optimizer = tf.train.GradientDescentOptimizer(0.01)
  + train = optimizer.minimize(loss, tf.train.get_global_step())
  else:
  train = None
  - return tf.estimator.EstimatorSpec(
  - mode=mode,
  - predictions=x,
  - loss=loss,
  + return tf.estimator.EstimatorSpec(mode=mode, predictions=x, loss=loss,
  train_op=train)
  