Two years have passed and revisiting old code can be an interesting experience.
You would hope that two years passed, I would be wiser, sometimes - yes! And likely not. (In my case, I think so)
I revised my expense classifier. A mini project devised at the time from a housemate who has a python project projecting his finances. Anyways, here's the changelog. This is what was and improvements to the code.
Before:
After:
Still has a long way to go for it before it's well worthy of a quality product.