[robosox]

Yes. The way you've posed the question is slightly backwards to me. Sit down and take a crack at learning both Python and Ruby first. Whichever language you prefer will obviously guide you toward which framework to use.

Another thing to consider is what your goals are here. Is this just learning for learning's sake, or is there a project you have in mind that you want to build/prototype? In my experience the differences between Django & RoR are minor, but your end goals obviously will also help guide you toward one framework over the other.