040000 tree 40531f470976014fc2554d0b7e4b50cc4edea9f8	drivetrain
040000 tree bbe45ef980995a9a08b2d4d014dbd4fc709e1cc8	python
040000 tree 2e6f4744b99f67171280d8a47f9a18f6ff78932b	superstructure