Skip test_2d_orthopolynomial_in_compound_model when there is no SciPy, to fix CircleCI.
Skip test_2d_orthopolynomial_in_compound_model when there is no SciPy, to fix CircleCI.

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