I keep the following errors.

Despite the fact that my notebook runs fine, I get the following reply in my grade for the C2_W3_Assignment.

How can I solve it?

Code Cell UNQ_C3: You have an incorrect value for ‘model’ variable. We expected a value of ‘0’ and you have ‘<keras.engine.sequential.Sequential object at 0x7f0ff6a4f090>’.

Code Cell UNQ_C4: You have an incorrect value for ‘model_s’ variable. We expected a value of ‘0’ and you have ‘<keras.engine.sequential.Sequential object at 0x7f0ff5dfdc10>’.

Code Cell UNQ_C5: You have an incorrect value for ‘model_r’ variable. We expected a value of ‘0’ and you have ‘<keras.engine.sequential.Sequential object at 0x7f0ff5224050>’.