transcoderNormalizer: Improve traceback logging
transcoderNormalizer: Improve traceback logging

This is the same fix as in #5668.

artefactual/archivematica,eckardm/archivematica,sevein/archivematica,artefactual/archivematica,michal-ruzicka/archivematica,michal-ruzicka/archivematica,sevein/archivematica,eckardm/archivematica,artefactual/archivematica,sevein/archivematica,michal-ruzicka/archivematica,artefactual/archivematica,sevein/archivematica,eckardm/archivematica,michal-ruzicka/archivematica,eckardm/archivematica