PEP8 fix for kivy/uix/boxlayout.py
PEP8 fix for kivy/uix/boxlayout.py

kivy/kivy,inclement/kivy,matham/kivy,LogicalDash/kivy,tony/kivy,jkankiewicz/kivy,Cheaterman/kivy,jkankiewicz/kivy,inclement/kivy,Cheaterman/kivy,kived/kivy,akshayaurora/kivy,jegger/kivy,LogicalDash/kivy,kivy/kivy,jegger/kivy,tony/kivy,rnixx/kivy,rnixx/kivy,janssen/kivy,manthansharma/kivy,bionoid/kivy,akshayaurora/kivy,Cheaterman/kivy,rafalo1333/kivy,KeyWeeUsr/kivy,autosportlabs/kivy,jkankiewicz/kivy,akshayaurora/kivy,kived/kivy,inclement/kivy,autosportlabs/kivy,bionoid/kivy,rnixx/kivy,Cheaterman/kivy,kivy/kivy,janssen/kivy,tony/kivy,bionoid/kivy,janssen/kivy,kived/kivy,jkankiewicz/kivy,matham/kivy,matham/kivy,jegger/kivy,autosportlabs/kivy,LogicalDash/kivy,matham/kivy,manthansharma/kivy,KeyWeeUsr/kivy,janssen/kivy,manthansharma/kivy,manthansharma/kivy,jegger/kivy,bionoid/kivy,KeyWeeUsr/kivy,rafalo1333/kivy,KeyWeeUsr/kivy,rafalo1333/kivy,LogicalDash/kivy