added check to see if already done job
added check to see if already done job

miaecle/deepchem,joegomes/deepchem,ktaneishi/deepchem,miaecle/deepchem,rbharath/deepchem,deepchem/deepchem,Agent007/deepchem,peastman/deepchem,Agent007/deepchem,ktaneishi/deepchem,peastman/deepchem,ktaneishi/deepchem,deepchem/deepchem,lilleswing/deepchem,miaecle/deepchem,rbharath/deepchem,lilleswing/deepchem,joegomes/deepchem,Agent007/deepchem,lilleswing/deepchem