Ubiquity 18.04.14
/usr/lib/ubiquity/ubiquity/frontend/gtk_ui.py:54: 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, Gio

(ubiquity:1873): IBUS-WARNING **: 03:50:45.008: The owner of /home/ubuntu/.config/ibus/bus is not root!
/usr/lib/ubiquity/ubiquity/frontend/gtk_components/nmwidgets.py:5: PyGIWarning: NM was imported without specifying a version first. Use gi.require_version('NM', '1.0') before import to ensure that the right version gets loaded.
  from gi.repository import NM, NMA
/usr/lib/ubiquity/ubiquity/frontend/gtk_components/nmwidgets.py:5: PyGIWarning: NMA was imported without specifying a version first. Use gi.require_version('NMA', '1.0') before import to ensure that the right version gets loaded.
  from gi.repository import NM, NMA
/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
/usr/lib/ubiquity/ubiquity/misc.py:662: PyGIWarning: Xkl was imported without specifying a version first. Use gi.require_version('Xkl', '1.0') before import to ensure that the right version gets loaded.
  from gi.repository import Xkl, GdkX11
update_release_notes_label()
update_release_notes_label()
Could not translate page (prepare): 'NoneType' object has no attribute 'replace'
/usr/lib/ubiquity/plugins/ubi-console-setup.py:72: Warning: Source ID 389 was not found when attempting to remove it
  GLib.source_remove(self.keyboard_layout_timeout_id)
/usr/lib/ubiquity/plugins/ubi-console-setup.py:74: Warning: Source ID 395 was not found when attempting to remove it
  GLib.source_remove(self.keyboard_variant_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
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 2779, in run
    question)
AssertionError: Returned to partman/choose_partition with nothing to do
Gtk-Message: 03:54:04.899: GtkDialog mapped without a transient parent. This is discouraged.