minor changes in resnet
minor changes in resnet

peastman/deepchem,lilleswing/deepchem,ktaneishi/deepchem,miaecle/deepchem,deepchem/deepchem,deepchem/deepchem,lilleswing/deepchem,peastman/deepchem,lilleswing/deepchem,ktaneishi/deepchem,ktaneishi/deepchem,miaecle/deepchem,miaecle/deepchem