fixed an instantiation problem.
fixed an instantiation problem.

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