The lab still using old module tf.keras.preprocessing which is deprecated.
Yeah good advice let me raise an issue.
While you’re there, ask them what is the plan for moving off trax 
Is it officially dead?
0 updates in 19 months? If the heart isn’t beating for that long, I call it dead.
Well, things rise and fall. In terms of the course I think it takes a big part of it, so they have to make whole new chapters, but I might raise this when I talk to them.