All test cases passed but grade shows 0

Course Q&A Generative AI with Large Language Models
1

There was an error running the validate command:

Traceback (most recent call last):
File “/opt/conda/lib/python3.7/site-packages/nbgrader/server_extensions/validate_assignment/handlers.py”, line 46, in validate_notebook
result = validator.validate(fullpath)
File “/opt/conda/lib/python3.7/site-packages/nbgrader/validator.py”, line 311, in validate
nb = self._preprocess(nb)
File “/opt/conda/lib/python3.7/site-packages/nbgrader/validator.py”, line 290, in _preprocess
nb, resources = pp.preprocess(nb, resources)
File “/opt/conda/lib/python3.7/site-packages/nbgrader/preprocessors/checkcellmetadata.py”, line 16, in preprocess
raise ValidationError(msg)
jsonschema.exceptions.ValidationError: Notebook failed to validate; the nbgrader metadata may be corrupted.

2

That’s the key message. Your notebook does not contain the metadata that the grader requires.

You may have to delete your current assignment files and start over.