Observability in Python - I Don't Want to Use Any Tooling

We have a question in chat from Wilson, who is saying he would love to hear your thoughts on why hailing your distance is your preferred choice for measuring distribution drift. He adds that the way he would typically do this is to use bus Einstein Earth movers distance. What kind of other metrics would be available? We have another question asana Nana asking if you want to compare a feature which was in training or tested to post production data set and see how it works.