Update doctest for one-off bug that was fixed with #690
Update doctest for one-off bug that was fixed with #690

schmidtc/pysal,pedrovma/pysal,sjsrey/pysal_core,hasecbinusr/pysal,ljwolf/pysal_core,TaylorOshan/pysal,TaylorOshan/pysal,ljwolf/pysal,pastephens/pysal,ljwolf/pysal,ljwolf/pysal,TaylorOshan/pysal,pastephens/pysal,lixun910/pysal,lixun910/pysal,pastephens/pysal,jlaura/pysal,weikang9009/pysal,sjsrey/pysal_core,pysal/pysal,jlaura/pysal,sjsrey/pysal_core,sjsrey/pysal,ljwolf/pysal_core,hasecbinusr/pysal,jlaura/pysal,ljwolf/pysal_core,hasecbinusr/pysal,chhao91/pysal,lixun910/pysal,lanselin/pysal,schmidtc/pysal,chhao91/pysal