fix bug for contextual train

shixian.shi

2023-11-24 34b2682fba92bf4f8e163d22094e7de57e3290ca

 egs/alimeeting/modular_sa_asr/local/make_textgrid_rttm.py

@@ -1,7 +1,10 @@
import argparse
import tqdm
import codecs
import textgrid
try:
    import textgrid
except:
    raise "Please install textgrid firstly: pip install textgrid"
import pdb

class Segment(object):