C2 Week 1 - All test cleared but not receiving grades

Here I am not getting submission grades due to this
How to solve?

This error says for the L_of_omega you have put 3 inputs while the function takes 1 input.

Go back where it was defined or where you used it and make sure it takes as inputs the right number of inputs.

You are using the old version of the notebook. It was updated recently.
You need to update to the new notebook, and also there are new .py utility files.

Instructions for this are in the FAQ thread in the “M4ML Resources” forum area.