AttributeError: module 'tensorflow' has no attribute 'app' 'gfile'

 File "/home/nie/models/research/deeplab/datasets/remove_gt_colormap.py", line 35, in <module>
    tf.app.flags.DEFINE_string('segmentation_format', 'png', 'Segmentation format.')
AttributeError: module 'tensorflow' has no attribute 'app'

AttributeError: module 'tensorflow' has no attribute 'gfile'

 tf.app ->  tf.compat.v1.app