restore numpy's default complex dtype
restore numpy's default complex dtype

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