How can I use version 2.0 of Tensorflow in python 3.7.9 and use the displacement function?

Question

I was following a tutorial by this guy: https://www.youtube.com/watch?v=PwAGxqrXSCs&list=PLQVvvaa0QuDfKTOs3Keq_kaG2P55YRn5v&index=47 , and now I have run into a Erro