Ubiquity 17.04.9
/usr/lib/ubiquity/ubiquity/frontend/gtk_ui.py:53: PyGIWarning: Gtk was imported without specifying a version first. Use gi.require_version('Gtk', '3.0') before import to ensure that the right version gets loaded.
  from gi.repository import Gtk, Gdk, GObject, GLib, Atk

(ubiquity:1632): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:23:18: not a number

(ubiquity:1632): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:23:18: Expected a string.

(ubiquity:1632): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:815:10: not a number

(ubiquity:1632): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:815:24: Using Pango syntax for the font: style property is deprecated; please use CSS syntax

(ubiquity:1632): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1953:14: not a number

(ubiquity:1632): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1953:14: Expected a string.

(ubiquity:1632): Gtk-WARNING **: Theme parsing error: nautilus.css:50:71: Using one color stop with linear-gradient() is deprecated.

(ubiquity:1632): Gtk-WARNING **: Theme parsing error: nautilus.css:51:71: Using one color stop with linear-gradient() is deprecated.

(ubiquity:1632): Gtk-WARNING **: Theme parsing error: gtk-lubuntu.css:252:14: not a number

(ubiquity:1632): Gtk-WARNING **: Theme parsing error: gtk-lubuntu.css:252:14: Expected a string.
/usr/lib/ubiquity/plugins/ubi-timezone.py:195: PyGIWarning: TimezoneMap was imported without specifying a version first. Use gi.require_version('TimezoneMap', '1.0') before import to ensure that the right version gets loaded.
  from gi.repository import TimezoneMap
No such schema “org.gnome.nautilus.desktop”
update_release_notes_label()
Could not translate page (prepare): 'NoneType' object has no attribute 'replace'
/usr/lib/ubiquity/ubiquity/frontend/gtk_components/nmwidgets.py:18: Warning: Source ID 623 was not found when attempting to remove it
  GLib.source_remove(self.timeout_id)
/usr/lib/ubiquity/ubiquity/frontend/gtk_components/nmwidgets.py:18: Warning: Source ID 839 was not found when attempting to remove it
  GLib.source_remove(self.timeout_id)
/usr/lib/ubiquity/ubiquity/frontend/gtk_components/nmwidgets.py:131: Warning: Source ID 872 was not found when attempting to remove it
  GLib.source_remove(self.rows_changed_id)
/usr/lib/ubiquity/ubiquity/frontend/gtk_components/nmwidgets.py:18: Warning: Source ID 885 was not found when attempting to remove it
  GLib.source_remove(self.timeout_id)
update_release_notes_label()
/usr/lib/ubiquity/ubiquity/frontend/gtk_components/nmwidgets.py:18: Warning: Source ID 932 was not found when attempting to remove it
  GLib.source_remove(self.timeout_id)
No such schema “com.canonical.indicator.session”
No such schema “com.canonical.indicator.session”
No such schema “com.canonical.indicator.session”
No such schema “com.canonical.indicator.session”
No such schema “com.canonical.indicator.session”
No such schema “com.canonical.indicator.session”
No such schema “com.canonical.indicator.session”
/usr/lib/ubiquity/ubiquity/segmented_bar.py:34: PyGIWarning: PangoCairo was imported without specifying a version first. Use gi.require_version('PangoCairo', '1.0') before import to ensure that the right version gets loaded.
  from gi.repository import GObject, Gdk, Gtk, PangoCairo
/usr/lib/ubiquity/ubiquity/frontend/gtk_components/nmwidgets.py:18: Warning: Source ID 2431 was not found when attempting to remove it
  GLib.source_remove(self.timeout_id)
/usr/lib/ubiquity/ubiquity/frontend/gtk_components/nmwidgets.py:131: Warning: Source ID 918 was not found when attempting to remove it
  GLib.source_remove(self.rows_changed_id)
/usr/lib/ubiquity/ubiquity/frontend/gtk_components/nmwidgets.py:18: Warning: Source ID 3709 was not found when attempting to remove it
  GLib.source_remove(self.timeout_id)
Exception caught in process_line:
Traceback (most recent call last):
  File "/usr/lib/ubiquity/ubiquity/filteredcommand.py", line 145, in process_line
    return self.dbfilter.process_line()
  File "/usr/lib/ubiquity/ubiquity/debconffilter.py", line 287, in process_line
    if not input_widgets[0].run(priority, question):
  File "/usr/lib/ubiquity/plugins/ubi-partman.py", line 2788, in run
    question)
AssertionError: Returned to partman/choose_partition with nothing to do
/usr/lib/ubiquity/ubiquity/frontend/gtk_components/nmwidgets.py:131: Warning: Source ID 3753 was not found when attempting to remove it
  GLib.source_remove(self.rows_changed_id)
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.