Minor cleanup in LatentGridCRF
Minor cleanup in LatentGridCRF

amueller/pystruct,amueller/pystruct,wattlebird/pystruct,massmutual/pystruct,d-mittal/pystruct,pystruct/pystruct,massmutual/pystruct,pystruct/pystruct,d-mittal/pystruct,wattlebird/pystruct