import tensorflow as tf

      total_fast_rcnn_loss_t = tf.reshape(total_fast_rcnn_loss, [1])
      fast_rcnn_class_loss_t = tf.reshape(fast_rcnn_class_loss, [1])
      fast_rcnn_box_loss_t = tf.reshape(fast_rcnn_box_loss, [1])
      mask_loss_t = tf.reshape(mask_loss, [1])
      learning_rate_t = tf.reshape(learning_rate, [1])
      host_call = (host_call_fn,
