ffmpeg._run.Error: ffprobe error

Hey
Since zou 0.12.34, i've got an error when uploading a mov file (attach preview on a comment)...
Here's the traceback :

09:17:02 default: zou.app.services.preview_files_service.prepare_and_store_movie('e4330d4c-1f2b-4ecb-b068-a554373bd2b7', '/tmp/zou/e4330d4c-1f2b-4ecb-b068-a554373bd2b7.mov.tmp') (8fc05d09-f4ac-4969-b797-abf5cc349a5a)
[2021-02-01 09:17:02,872] ERROR in preview_files_service: failed
Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/zou/app/services/preview_files_service.py", line 91, in prepare_and_store_movie
    uploaded_movie_path, fps=fps, width=width, height=height
  File "/usr/local/lib/python3.7/site-packages/zou/app/utils/movie_utils.py", line 66, in normalize_movie
    (w, h) = get_movie_size(movie_path)
  File "/usr/local/lib/python3.7/site-packages/zou/app/utils/movie_utils.py", line 47, in get_movie_size
    probe = ffmpeg.probe(movie_path)
  File "/usr/local/lib/python3.7/site-packages/ffmpeg/_probe.py", line 23, in probe
    raise Error('ffprobe', out, err)
ffmpeg._run.Error: ffprobe error (see stderr output for detail)
09:17:02 default: Job OK (8fc05d09-f4ac-4969-b797-abf5cc349a5a)
09:17:02 Result is kept for 500 seconds