Update bench_vec_val_sum.py
Update bench_vec_val_sum.py
FrancoisRheaultUS/dipy,villalonreina/dipy,nilgoyyou/dipy,matthieudumont/dipy,nilgoyyou/dipy,StongeEtienne/dipy,FrancoisRheaultUS/dipy,StongeEtienne/dipy,matthieudumont/dipy,villalonreina/dipy