Fix a few whitespace and indentation issues
Fix a few whitespace and indentation issues

saimn/astropy,larrybradley/astropy,saimn/astropy,aleksandr-bakanov/astropy,mhvk/astropy,astropy/astropy,saimn/astropy,StuartLittlefair/astropy,MSeifert04/astropy,astropy/astropy,stargaser/astropy,lpsinger/astropy,aleksandr-bakanov/astropy,larrybradley/astropy,StuartLittlefair/astropy,aleksandr-bakanov/astropy,saimn/astropy,larrybradley/astropy,dhomeier/astropy,mhvk/astropy,stargaser/astropy,lpsinger/astropy,astropy/astropy,stargaser/astropy,astropy/astropy,pllim/astropy,stargaser/astropy,saimn/astropy,mhvk/astropy,aleksandr-bakanov/astropy,pllim/astropy,dhomeier/astropy,lpsinger/astropy,lpsinger/astropy,mhvk/astropy,astropy/astropy,larrybradley/astropy,lpsinger/astropy,pllim/astropy,larrybradley/astropy,dhomeier/astropy,MSeifert04/astropy,pllim/astropy,StuartLittlefair/astropy,MSeifert04/astropy,pllim/astropy,dhomeier/astropy,mhvk/astropy,StuartLittlefair/astropy,MSeifert04/astropy,dhomeier/astropy,StuartLittlefair/astropy