That's not correct. It's supported for about 2 months now. It's not yet default because of the number of packages (like this one) that would break.
- Bug#573292: kdebindings: Python (>= 2.6) ext... Jakub Wilk
- Bug#573292: kdebindings: Python (>= 2.6... Andreas Marschke
- Bug#573292: kdebindings: Python (>=... Scott Kitterman
- Bug#573292: marked as done (kdebindings: P... Debian Bug Tracking System