[Bug 1875523] Please test proposed package

[Łukasz Zemczak]

Hello Deivison, or anyone else affected,

Accepted ubuntu-release-upgrader into focal-proposed. The package will
build now and be available at https://launchpad.net/ubuntu/+source
/ubuntu-release-upgrader/1:20.04.23 in a few hours, and then in the
-proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
focal to verification-done-focal. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-focal. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

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https://bugs.launchpad.net/bugs/1875523

Title:
  I can't upgrade the ubuntu to 20.04 by terminal. Everytime I do it, a
  message appear saying that it is not possible do the upgrade.

Status in ubuntu-release-upgrader package in Ubuntu:
  Fix Released
Status in ubuntu-release-upgrader source package in Focal:
  Fix Committed

Bug description:
  Impact
  ------
  Some upgrades from Ubuntu 18.04 LTS to Ubuntu 20.04 LTS fail to calculate which prevents people from upgrading to Ubuntu 20.04 LTS.

  Test Case
  ---------
  1) install pyhton-pyside and python-gi on an up to date Ubuntu 18.04 LTS system
  2) run do-release-upgrade -d
  3) Observe the upgrade fail to calculate an upgrade to Ubuntu 20.04 LTS

  To test the version of the dist-upgrader from -proposed you'll need to
  download the dist-upgrade tarball and extract it in to /tmp/. Then run
  sudo ./focal --frontend DistUpgradeViewText.

  Regression Potential
  --------------------
  Given that the release upgrader is replacing python-minimal with python-is-python2 we should ensure that python-is-python2 is installed after the upgrade. We should also test an upgrade from Bionic to Focal which calculated successfully with the existing version of the release upgrader.

  Original Description
  ---------------------
  You look. I can't explain about it in english, but it is here the message. I hope you can understand it.

  Não foi possível calcular a atualização

  Ocorreu um problema sem solução, enquanto estava calculando a
  atualização.

  Isto foi causado por:
  * Atualiza para a versão de pre-lançamento do Ubuntu
  Isto deve de ser provavelmente um problema transitório,
  por favor tente novamente mais tarde.
  Se nada disto servir, então por favor comunique a falha usando o
  comando 'ubuntu-bug ubuntu-release-upgrader-core' no terminal. Se
  você quiser investigar isto por si os ficheiros de registro em
  '/var/log/dist-upgrade' contém detalhes sobre a atualização. Olhe
  especialmente para 'main.log' e 'apt.log'.

  ProblemType: BugDistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.37
  ProcVersionSignature: Ubuntu 5.3.0-47.39~18.04.1-generic 5.3.18
  Uname: Linux 5.3.0-47-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.14
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Apr 27 22:50:59 2020
  PackageArchitecture: allSourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-04-28 (0 days ago)

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