Fix table masking and filling example
Fix table masking and filling example

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