Segmentation fault during ingest

[Behinder]

I am not sure how to debug. It started suddenly probably after updating MariaDB

python  EPFImporter_debug.py incremental/*
2019-11-20 21:11:43,925 [INFO]: Beginning import for the following directories:
    incremental/itunes20191118
    incremental/pricing20191118
2019-11-20 21:11:43,925 [INFO]: Importing files in incremental/itunes20191118
2019-11-20 21:11:43,926 [INFO]: Starting import of /home/sebastian/appromocje/incremental/itunes20191118...
2019-11-20 21:11:43,944 [INFO]: Beginning incremental ingest of epf_artist_video (23319 records)
Fatal Python error: Segmentation fault

Current thread 0x00007f6f38dca740 <python> (most recent call first):
  File "/home/sebastian/appromocje/EPFIngester.py", line 206 in ingestIncremental
  File "/home/sebastian/appromocje/EPFIngester.py", line 111 in ingest
  File "EPFImporter_debug.py", line 222 in doImport
  File "EPFImporter_debug.py", line 437 in main
  File "EPFImporter_debug.py", line 454 in <module>
Segmentation fault

I appreciate any suggestion about how to debug this