Ubiquity 2.17.7
/usr/lib/ubiquity/ubiquity/frontend/gtk_components/nmwidgets.py:284: PyGTKDeprecationWarning: Using positional arguments with the GObject constructor has been deprecated. Please specify keywords for label or use a class specific constructor. See: https://wiki.gnome.org/PyGObject/InitializerDeprecations
  self.password_label = Gtk.Label('Password:')
/usr/lib/ubiquity/ubiquity/frontend/gtk_components/nmwidgets.py:288: PyGTKDeprecationWarning: Using positional arguments with the GObject constructor has been deprecated. Please specify keywords for label or use a class specific constructor. See: https://wiki.gnome.org/PyGObject/InitializerDeprecations
  self.display_password = Gtk.CheckButton('Display password')

(ubiquity:2371): Gtk-CRITICAL **: gtk_radio_button_set_group: assertion '!g_slist_find (group, radio_button)' failed

(ubiquity:2371): Gtk-CRITICAL **: gtk_radio_button_set_group: assertion '!g_slist_find (group, radio_button)' failed
/usr/lib/python3/dist-packages/gi/overrides/GLib.py:655: PyGIDeprecationWarning: Calling io_add_watch without priority as second argument is deprecated
  PyGIDeprecationWarning)
Exception in GTK frontend (invoking crash handler):
Traceback (most recent call last):
  File "/usr/lib/ubiquity/ubiquity/misc.py", line 700, in process_variant
    variants.append(item_str(args[1].name))
  File "/usr/lib/ubiquity/ubiquity/misc.py", line 692, in item_str
    i = s.find(b'\x00')
AttributeError: 'list' object has no attribute 'find'

Traceback (most recent call last):
  File "/usr/lib/ubiquity/ubiquity/misc.py", line 700, in process_variant
    variants.append(item_str(args[1].name))
  File "/usr/lib/ubiquity/ubiquity/misc.py", line 692, in item_str
    i = s.find(b'\x00')
AttributeError: 'list' object has no attribute 'find'