Squelch a warning in the plotting code here.  It's harmless, but annoying to have whenever building the docs.
Squelch a warning in the plotting code here.  It's harmless, but annoying to have whenever building the docs.

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