Fix sphinx error for TimeFITS docstring
Fix sphinx error for TimeFITS docstring

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