Module 1 possible issue with grader

I’ve been trying to debug this same issue. Came back the next day and did all that was mentioned in this thread but nothing seemed to work.

Finally, I deleted some test code that was generated by the LLM, and Voila! The world is better again. :slight_smile:

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Ahh, I resolved my issue with double link list after take a look in this thread, my case is forgot to copy solution from test cell to grader cell then save and submit again.

Thank you guys! you save my morning :grin:

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I’m having another strange behaviour. The unittest.py module seems to be buggy:

Any help, please ?

I’m not a mentor for that course, so I can’t help very much.

Just looking at the error trace, it appears there is something wrong with your “DoublyLinkedListFixed” value, since it’s causing the unit test to throw an attribute error.

It’s likely not a fundamental error in the unit test, since these have been in use for over a year.