no more data source ?

python ~/Work/Teklia/kaldi_data_generator/kaldi_data_generator/kaldi_data_generator.py -f kaldi -n Maurdor_C3_French -o . --folder 0ab912ba-727a-4c35-870d-ff9b265729c4 --accepted_slugs page_alignment --volume_type document

Traceback (most recent call last):
  File "/home/users/ckermorvant/Work/Teklia/kaldi_data_generator/kaldi_data_generator/kaldi_data_generator.py", line 627, in <module>
    main()
  File "/home/users/ckermorvant/Work/Teklia/kaldi_data_generator/kaldi_data_generator/kaldi_data_generator.py", line 594, in main
    data_generator.run_folders(args.folders, args.volume_type)
  File "/home/users/ckermorvant/Work/Teklia/kaldi_data_generator/kaldi_data_generator/kaldi_data_generator.py", line 330, in run_folders
    self.run_volumes(vol_ids)
  File "/home/users/ckermorvant/Work/Teklia/kaldi_data_generator/kaldi_data_generator/kaldi_data_generator.py", line 319, in run_volumes
    self.run_pages(pages)
  File "/home/users/ckermorvant/Work/Teklia/kaldi_data_generator/kaldi_data_generator/kaldi_data_generator.py", line 308, in run_pages
    self.extract_lines(page_id, image_data)
  File "/home/users/ckermorvant/Work/Teklia/kaldi_data_generator/kaldi_data_generator/kaldi_data_generator.py", line 219, in extract_lines
    lines, count, count_skipped = self.get_transcriptions(page_id, accepted_zones)
  File "/home/users/ckermorvant/Work/Teklia/kaldi_data_generator/kaldi_data_generator/kaldi_data_generator.py", line 171, in get_transcriptions
    and res["source"]["slug"] not in self.accepted_slugs

@mlbonhomme pour info