I don't know if it's exactly the same as what you're getting at, but I'm a heavy Jupyter user, and find that as notebooks get more elaborate, I have to work with great care to avoid problems with everything having global scope. So I have to refactor my code once in a while, get things into subroutines, etc. All of my good and bad coding habits are laid bare in Jupyter.

Also, this is not for the faint of heart, but before closing a session, I do a "restart kernel and run all." This ensures that my notebook is running the way I'd think if I open it up later and try to re-run it.