Update lm_1b_eval.py
Update lm_1b_eval.py

Solve Python 3 compatibility:
- replacing xrange to range
- add .decode() after f.read() to get strings instead of bytes when reading text file
r888888888/models,sshleifer/object_detection_kitti,jiaphuan/models,jazcollins/models,sshleifer/object_detection_kitti,xcyan/models,r888888888/models,sshleifer/object_detection_kitti,cshallue/models,jazcollins/models,alexgorban/models,derekjchow/models,r888888888/models,xcyan/models,jiaphuan/models,jch1/models,xcyan/models,jch1/models,derekjchow/models,tombstone/models,jch1/models,jiaphuan/models,alexgorban/models,xcyan/models,r888888888/models,alexgorban/models,cshallue/models,xcyan/models,cshallue/models,r888888888/models,jiaphuan/models,jch1/models,sshleifer/object_detection_kitti,jiaphuan/models,jch1/models,derekjchow/models,xcyan/models,derekjchow/models,jazcollins/models,tombstone/models,tombstone/models,tombstone/models,derekjchow/models,sshleifer/object_detection_kitti,jch1/models,jazcollins/models,jazcollins/models,cshallue/models,tombstone/models,tombstone/models,zbigniewwojna/text-rcnn,alexgorban/models,alexgorban/models,jiaphuan/models,sshleifer/object_detection_kitti,r888888888/models,jazcollins/models,cshallue/models