Problem in Mathematics for machine learning and data science week 2 assignment

I have Completed the week 2 programming assignment it shows in the assignment that all test passed
But when I submit it it shows the following errors





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Same problem here! I already checked and there’s no mistake on the objects’ type. (Photo to demonstrate)
Captura de Pantalla 2023-06-26 a la(s) 16.25.43
Captura de Pantalla 2023-06-26 a la(s) 16.26.25