NLP Sequence Models W2: the test case successful but when I submit my nb, I got the error on line 226

[Deepti_Prasad]

Hi @pltn29

Seeing your submission grader, i feel you are using an obsolete copy of assignment. Kindly get a fresh updated version of assignment and re-do your assignment.
Link to get a fresh copy, follow below link comment

FAQ: NLP How to Get the latest version of assignment

Hello Learners, Course 3 (NLP with Sequence Models) and Course 4 (NLP with Attention Models was recently Updated for assignments. So learners kindly make sure to check if you have the latest version of the assignment before starting the assignment. I am sharing steps on how to get a fresh Updated copy of assignment. Kindly do the following to get a fresh copy of assignment. Click File==== then open==== delete all the files on this page. Now you will find a 404 error on your web page. Ensur…

Regards
DP