You're welcome to teamview with me if it will help sort it out. Cahnces are others won't be sing the update either if something is isolating it to just you somehow.
I tried with another Google account and it works fine for me. I need to look up what might be causing it, I'd also need feedback from others.
You did replace the old folder with the new one I uploaded today, right? It wasn't just the .ipynb file that got updated.