fix task.py with no dest_sample_rate task; fix bug in train and infer

mengzhe.cmz

2023-04-12 1ad439f96b8cdbca98ee95b886d692dfa20e85ce

1
2
3
4
5
6
7
8
9
10
11
12
.idea
./__pycache__/
*/__pycache__/
*/*/__pycache__/
*/*/*/__pycache__/
.DS_Store
init_model/
*.tar.gz
test_local/
RapidASR
export/*
*.pyc