Fix PEP8 issues.
Fix PEP8 issues.

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