Tidy up the if blocks
Tidy up the if blocks

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