Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/gi/overrides/GLib.py", line 747, in <lambda>
    func_fdtransform = lambda _, cond, *data: callback(channel, cond, *data)
  File "/usr/lib/ubiquity/ubiquity/frontend/gtk_ui.py", line 1576, in watch_debconf_fd_helper
    return callback(source, debconf_condition)
  File "/usr/lib/ubiquity/ubiquity/filteredcommand.py", line 265, in process_input
    self.status = self.wait()
  File "/usr/lib/ubiquity/ubiquity/filteredcommand.py", line 161, in wait
    self.cleanup()
  File "/usr/lib/ubiquity/plugins/ubi-console-setup.py", line 809, in cleanup
    model = self.db.get('keyboard-configuration/modelcode')
  File "/usr/lib/python3/dist-packages/debconf.py", line 83, in <lambda>
    lambda *args, **kw: self.command(command, *args, **kw))
  File "/usr/lib/python3/dist-packages/debconf.py", line 87, in command
    self.write.write("%s %s\n" % (command, ' '.join(map(str, params))))
ValueError: I/O operation on closed file.