fix decoding_ind none bug

haoneng.lhn

2023-09-12 2165d5de05f48d4017fec319c117d859db3feaf0

1
2
3
4
5
6
beam_size: 5
penalty: 0.0
maxlenratio: 0.0
minlenratio: 0.0
ctc_weight: 0.5
lm_weight: 0.7