Disclaimer: I wrote a book about pandas that is semi famous because it focuses on chaining. And it has a while chapter on debugging chains. Debugging: use a de

Disclaimer: I wrote a book about pandas that is semi famous because it focuses on chaining. And it has a while chapter on debugging chains. Debugging: use a debugger, create intermediate variables using .pipe (and side effects), logging, testing, writing your code clearly (use good naming).