PEP8 changes
PEP8 changes

astropy/astropy,astropy/astropy,funbaker/astropy,stargaser/astropy,bsipocz/astropy,MSeifert04/astropy,dhomeier/astropy,larrybradley/astropy,DougBurke/astropy,dhomeier/astropy,tbabej/astropy,lpsinger/astropy,larrybradley/astropy,stargaser/astropy,AustereCuriosity/astropy,kelle/astropy,astropy/astropy,DougBurke/astropy,bsipocz/astropy,AustereCuriosity/astropy,MSeifert04/astropy,saimn/astropy,aleksandr-bakanov/astropy,pllim/astropy,joergdietrich/astropy,pllim/astropy,tbabej/astropy,saimn/astropy,StuartLittlefair/astropy,astropy/astropy,AustereCuriosity/astropy,saimn/astropy,mhvk/astropy,tbabej/astropy,tbabej/astropy,aleksandr-bakanov/astropy,kelle/astropy,mhvk/astropy,StuartLittlefair/astropy,funbaker/astropy,StuartLittlefair/astropy,joergdietrich/astropy,mhvk/astropy,AustereCuriosity/astropy,kelle/astropy,kelle/astropy,funbaker/astropy,lpsinger/astropy,MSeifert04/astropy,pllim/astropy,larrybradley/astropy,aleksandr-bakanov/astropy,stargaser/astropy,StuartLittlefair/astropy,dhomeier/astropy,joergdietrich/astropy,StuartLittlefair/astropy,joergdietrich/astropy,larrybradley/astropy,lpsinger/astropy,tbabej/astropy,pllim/astropy,dhomeier/astropy,aleksandr-bakanov/astropy,DougBurke/astropy,MSeifert04/astropy,kelle/astropy,astropy/astropy,lpsinger/astropy,joergdietrich/astropy,stargaser/astropy,larrybradley/astropy,DougBurke/astropy,bsipocz/astropy,saimn/astropy,mhvk/astropy,AustereCuriosity/astropy,lpsinger/astropy,funbaker/astropy,mhvk/astropy,dhomeier/astropy,pllim/astropy,bsipocz/astropy,saimn/astropy