Including the ability to support the colors available in modern terminals (ie, Linux, OS X). I needed to do a subtle zebra striping for an analysis tool and ncurses couldn't do the job. urwid, however, can.
The last interactive cli app I wrote was on a calculator, but I might have to make one for site maintenance tasks now, just for the hell of it. I've been writing Python since 2007 and I swear I still discover a new standard library almost every day.
"[Rob Pike] is a Canadian citizen and has never written a program that uses cursor addressing."