$ /usr/share/apport/apport-gtk
/usr/share/apport/apport-gtk:16: PyGIWarning: Wnck was imported without specifying a version first. Use gi.require_version('Wnck', '3.0') before import to ensure that the right version gets loaded.
from gi.repository import GLib, Wnck, GdkX11, Gdk
This bug still exists partially in yakkety:
$ /usr/share/ apport/ apport- gtk apport/ apport- gtk:16: PyGIWarning: Wnck was imported without specifying a version first. Use gi.require_ version( 'Wnck', '3.0') before import to ensure that the right version gets loaded.
/usr/share/
from gi.repository import GLib, Wnck, GdkX11, Gdk