[Bug 1885763] [NEW] I try to upgrade from 18.03 to 20.04 LTS version, but I only got purge message with PPA command. when i do, the error continue

[Jorge Caballero]

Public bug reported:

sudo update-manager -d
Checking for a new Ubuntu release
/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeFetcher.py:23: 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
/usr/lib/python3/dist-packages/DistUpgrade/ReleaseNotesViewerWebkit.py:33: PyGIWarning: WebKit2 was imported without specifying a version first. Use gi.require_version('WebKit2', '4.0') before import to ensure that the right version gets loaded.
  from gi.repository import WebKit2 as WebKit

(do-release-upgrade:17286): IBUS-WARNING **: 12:40:33.921: The owner of /home/ares/.config/ibus/bus is not root!
Gtk-Message: 12:40:33.934: GtkDialog mapped without a transient parent. This is discouraged.

(do-release-upgrade:17286): IBUS-WARNING **: 12:40:33.941: Unable to connect to ibus: Unexpected lack of content trying to read a line
authenticate 'focal.tar.gz' against 'focal.tar.gz.gpg' 
extracting 'focal.tar.gz'

(focal:17286): IBUS-WARNING **: 12:40:44.751: The owner of
/home/ares/.config/ibus/bus is not root!

(focal:17286): IBUS-WARNING **: 12:40:50.358: Unable to connect to ibus: Unexpected lack of content trying to read a line
ares at valhalla:~$ ppa-purge

Command 'ppa-purge' not found, but can be installed with:

sudo apt install ppa-purge

##################################
result: could not calculate the upgrade. an unresolvable problem occurred while calculate the upgrade ...

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.37
ProcVersionSignature: Ubuntu 5.3.0-61.55~18.04.1-generic 5.3.18
Uname: Linux 5.3.0-61-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.15
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Tue Jun 30 13:36:14 2020
InstallationDate: Installed on 2019-08-13 (321 days ago)
InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2020-06-30 (0 days ago)
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic dist-upgrade

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https://bugs.launchpad.net/bugs/1885763

Title:
  I try to upgrade from 18.03 to 20.04 LTS version, but I only got purge
  message  with PPA command. when i do, the error continue

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  sudo update-manager -d
  Checking for a new Ubuntu release
  /usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeFetcher.py:23: 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
  /usr/lib/python3/dist-packages/DistUpgrade/ReleaseNotesViewerWebkit.py:33: PyGIWarning: WebKit2 was imported without specifying a version first. Use gi.require_version('WebKit2', '4.0') before import to ensure that the right version gets loaded.
    from gi.repository import WebKit2 as WebKit

  (do-release-upgrade:17286): IBUS-WARNING **: 12:40:33.921: The owner of /home/ares/.config/ibus/bus is not root!
  Gtk-Message: 12:40:33.934: GtkDialog mapped without a transient parent. This is discouraged.

  (do-release-upgrade:17286): IBUS-WARNING **: 12:40:33.941: Unable to connect to ibus: Unexpected lack of content trying to read a line
  authenticate 'focal.tar.gz' against 'focal.tar.gz.gpg' 
  extracting 'focal.tar.gz'

  (focal:17286): IBUS-WARNING **: 12:40:44.751: The owner of
  /home/ares/.config/ibus/bus is not root!

  (focal:17286): IBUS-WARNING **: 12:40:50.358: Unable to connect to ibus: Unexpected lack of content trying to read a line
  ares at valhalla:~$ ppa-purge

  Command 'ppa-purge' not found, but can be installed with:

  sudo apt install ppa-purge

  ##################################
  result: could not calculate the upgrade. an unresolvable problem occurred while calculate the upgrade ...

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.37
  ProcVersionSignature: Ubuntu 5.3.0-61.55~18.04.1-generic 5.3.18
  Uname: Linux 5.3.0-61-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.15
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Jun 30 13:36:14 2020
  InstallationDate: Installed on 2019-08-13 (321 days ago)
  InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-06-30 (0 days ago)
  VarLogDistupgradeTermlog:

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