pep8 tweaks
pep8 tweaks

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