Use the interval class if vmin and vmax are None
Use the interval class if vmin and vmax are None

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