Package: gramps
Version: 4.2.2~dfsg-1
Gramps is currently unusable in unstable. The following message is
displayed very often.
ERROR: grampsapp.py: line 107: Unhandled exception
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/gramps/gui/widgets/styledtexteditor.py",
line 289, in on_motion_notify_event
self.match = self.textbuffer.match_check(iter_at_location.get_offset())
AttributeError: '_ResultTuple' object has no attribute 'get_offset'
According to the following upstream bug report, the culprit is the gtk
3.20 migration.
https://gramps-project.org/bugs/view.php?id=9335
This issue has been fixed upstream in the 4.2.3 release.