FIX install pickle files.
FIX install pickle files.

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