There was a problem compiling the code from your notebook. Details: cannot import name 'activation' from 'keras.layers.serialization'

Course Q&A TensorFlow Developer Professional Convolutional Neural Networks in TensorFlow
1

I am getting this error from the grader. The notebook ran with no problem and I pass the history assignment with 50/50.

2

Please click my name and message your notebook as an attachment.

3

At this point, the grader uses tensorflow 2.7.0 to score your submission. The following import statement is invalid in 2.7.0:
from keras.layers.serialization import activation

Please remove the import from your notebook.