Week 2 last assignment Q2 ,what is wrong?

tf.random.set_seed(1234) # for consistent results
model = Sequential(
[
### START CODE HERE ###

{moderator edit: code removed}

    ### END CODE HERE ### 
], name = "my_model"

I’ve written this code just as the lecture, but it does not work,

Please post a screen capture image of the error message.
Do not post your code - that’s not allowed by the Code of Conduct.