C4W1 All tests passed! But the score is 0

[TMosh]

Perhaps this thread will be helpful:

C4W1 Assignment Grading Error

Hello, I am experiencing an issue with my assignment grade for C4W1. My code and expected values align with the instructions provided, and all unit tests have passed successfully. However, my score shows as 0, with the message: “There was a problem compiling the code from your notebook, please check that you saved before submitting. Details: name ‘series_valid’ is not defined." I have indeed defined series_valid as shown in the attached screenshot. This issue is not unique to me; several other…