Make iters default consistent in sigma_clip and sigma_clipped_stats
Make iters default consistent in sigma_clip and sigma_clipped_stats

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