import tensorflow as tf

                       this file.""")
tf.flags.DEFINE_string('graph_file', None,
                       """Write the model's graph definition to this
                       file. Defaults to binary format unless filename ends
                       in 'txt'.""")
tf.flags.DEFINE_string('optimizer', 'sgd',
                       'Optimizer to use: momentum or sgd or rmsprop')
tf.flags.DEFINE_float('learning_rate', None,
                      """Initial learning rate for training.""")
tf.flags.DEFINE_float('num_epochs_per_decay', 0,
