I think TKInter provides an interface to Python so it can utilise nice-looking OS-type screens and dialogues instead of the Poser-like ones. But I'm not sure.

I only know that someone else said their Python/TKInter scripts were broken because of this update in SR3.

"If I were a shadow, I know I wouldn't like to be half of what I should be."
Mr Otsuka, the old black tomcat in Kafka on the Shore (Haruki Murakami)