Detect python verion and gracefully fail on unsupported ver.
Detect python verion and gracefully fail on unsupported ver.

matham/kivy,rnixx/kivy,rnixx/kivy,kivy/kivy,rnixx/kivy,matham/kivy,matham/kivy,akshayaurora/kivy,akshayaurora/kivy,kivy/kivy,akshayaurora/kivy,kivy/kivy,matham/kivy