Simplify check for Python 2 or 3
Simplify check for Python 2 or 3

defnull/bottle,bottlepy/bottle,oz123/bottle,fkazimierczak/bottle,bottlepy/bottle,defnull/bottle,ifduyue/bottle,oz123/bottle,Inndy/bottle,fkazimierczak/bottle,Inndy/bottle,ifduyue/bottle