Add gdb7 tensorflow model
Add gdb7 tensorflow model

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