Comment 4 for bug 553087

Bug can also be generated when no foreign language is selected

Ubiquity 2.2.18
/usr/lib/ubiquity/ubiquity/frontend/gtk_ui.py:562: GtkWarning: gtk_window_resize: assertion `width > 0' failed
  widget.resize(w, h)
Exception in GTK frontend (invoking crash handler):
Traceback (most recent call last):
  File "/usr/lib/ubiquity/ubiquity/frontend/gtk_components/keyboard_query.py", line 100, in key_press_event
    r = self.keyboard_detect.read_step(c)
  File "/usr/lib/ubiquity/ubiquity/keyboard_detector.py", line 96, in read_step
    raise Exception
Exception

Traceback (most recent call last):
  File "/usr/lib/ubiquity/ubiquity/frontend/gtk_components/keyboard_query.py", line 100, in key_press_event
    r = self.keyboard_detect.read_step(c)
  File "/usr/lib/ubiquity/ubiquity/keyboard_detector.py", line 96, in read_step
    raise Exception
Exception
Your console font configuration will be updated the next time your system
boots. If you want to update it now, run 'setupcon' from a virtual console.
update-initramfs is disabled since running on read-only media