Lepší chybová hláška na PDF chráněná heslem

2021-03-30 10:52:39.144 INFO  [99049] (mo) Submit: Zpracovávám file=/akce/mo/osmo/data/tmp/upload-epoaq6d3 for=#4333 by=#4333 type=solution
Process submit:
Traceback (most recent call last):
  File "/usr/lib/python3.7/multiprocessing/process.py", line 297, in _bootstrap
    self.run()
  File "/usr/lib/python3.7/multiprocessing/process.py", line 99, in run
    self._target(*self._args, **self._kwargs)
  File "/aux/akce/mo/osmo/venv/lib/python3.7/site-packages/mo/submit.py", line 112, in _do_process_pdf
    with pikepdf.open(tmpfile, attempt_recovery=False) as pdf:
  File "/aux/akce/mo/osmo/venv/lib/python3.7/site-packages/pikepdf/_methods.py", line 871, in open
    access_mode=access_mode,
pikepdf._qpdf.PasswordError: /akce/mo/osmo/data/tmp/upload-epoaq6d3: invalid password
2021-03-30 10:52:39.164 INFO  [99049] (mo) Submit: Chyba: Interní chyba při zpracování PDF: Exit code 1. (time=0.019), uloženo do /akce/mo/osmo/data/errors/submit-e6413fa1d4a949f0