- fixed import induced error
- fixed import induced error


ljwolf/pysal,spreg-git/pysal,nathania/pysal,pastephens/pysal,hasecbinusr/pysal,ljwolf/pysal_core,pastephens/pysal,badjr/pysal,lixun910/pysal,ljwolf/pysal,ljwolf/pysal_core,nathania/pysal,hasecbinusr/pysal,schmidtc/pysal,weikang9009/pysal,TaylorOshan/pysal,darribas/pysal,badjr/pysal,sjsrey/pysal_core,pedrovma/pysal,chhao91/pysal,pastephens/pysal,spreg-git/pysal,schmidtc/pysal,hasecbinusr/pysal,lanselin/pysal,dfolch/pysal,pysal/pysal,TaylorOshan/pysal,chhao91/pysal,sjsrey/pysal_core,sjsrey/pysal_core,lixun910/pysal,jlaura/pysal,jlaura/pysal,dfolch/pysal,lixun910/pysal,TaylorOshan/pysal,ljwolf/pysal_core,darribas/pysal,sjsrey/pysal,jlaura/pysal,ljwolf/pysal