import tensorflow as tf

         is_class_agnostic=False)
    nms_masks_expected2 = tf.constant(1.0, shape=[0, 2, 2], dtype=tf.float32)
    nms_scores_expected2 = tf.constant([], dtype=tf.float32)
    nms_classes_expected2 = tf.constant([], dtype=tf.int32)
