Also replace root version to Python3

Philip Kahn

2018-05-04 3459c47bfa02d23d300df9a44ba3ec9c958850fe

1
2
3
4
5
6
classes= 20
train  = data/train_voc.txt
valid  = data/2007_test.txt
#difficult = data/difficult_2007_test.txt
names = data/voc.names
backup = backup/