C1W4_Assignment Unable to find object required for grading in your code.\n

Course Q&A Math for Machine Learning Linear Algebra for Machine Learning and Data Sc...
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Hi, I’m trying to complete lab 4 but am struggling. I pass all the tests locally but on my submission, I get 0 points for exercises 3, 4, and 5. I’ve expanded the link under the tabs associated with the grades for these exercises and all I see is “Unable to find object required for grading in your code.\n” Is that an error with the grading platform? Should I redo the whole assignment? Can anybody advise how best to proceed?

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I created an updated version of the notebook and all is well now. I must have been experimenting a bit too much. Thanks

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It’s good news that you were able to find a solution by getting a clean notebook. Your theory sounds plausible that you had rearranged things too much and accidentally removed something that the grader depends on.

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