when I run download_lexicon,I got error.

[zhangrc12138]

......
758it [04:53, 3.22it/s]
759it [04:54, 2.25it/s]
760it [04:55, 2.40it/s]
4% 761/18222 [05:22<2:03:12, 2.36it/s]
761it [05:33, 2.28it/s]
Traceback (most recent call last):
File "/usr/local/bin/download_lexicon", line 8, in
sys.exit(main())
File "/usr/local/lib/python3.10/dist-packages/spoken_to_signed/download_lexicon.py", line 120, in main
add_data(data, args.directory)
File "/usr/local/lib/python3.10/dist-packages/spoken_to_signed/download_lexicon.py", line 106, in add_data
for row in tqdm(data):
File "/usr/local/lib/python3.10/dist-packages/tqdm/std.py", line 1182, in iter
for obj in iterable:
File "/usr/local/lib/python3.10/dist-packages/spoken_to_signed/download_lexicon.py", line 72, in load_signsuisse
'end': str(len(pose_body.data) / fps), # pose duration
ZeroDivisionError: division by zero

How would I solve it?
And Every error occurs after this sentence at 760it [04:55, 2.40it/s].