[Anki 23.10 Beta 1] Backup failed and modified_in_python

Hmm, the part of the add-on code that can trigger this error shouldn’t be executed on Anki >= 2.1.50. Did you perhaps apply a fix for [Anki 23.10 Beta 1] ANKI_MINOR = int(ANKI_VERSION.split(“.”)[-1]) manually?