[Bug 1891392] Re: KDE Neon 20.04: "Could not calculate the upgrade"

[LuisC]

Same thing here in Ubuntu Gnome 19.10, trying to update to 20.04.

In main.log says:
ERROR NvidiaDetection returned a error: invalid literal for int() with base 10: 'server'

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https://bugs.launchpad.net/bugs/1891392

Title:
  KDE Neon 20.04: "Could not calculate the upgrade"

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

Bug description:
  I used ppa-purge to remove all (two) PPAs and I removed several
  packages from external sources. None of this helped.

  main.log contains an error message "NvidiaDetection returned a error:
  invalid literal for int() with base 10: 'server'".

  ProblemType: Bug
  DistroRelease: KDE neon 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.38+p18.04+git20200803.1136 [origin: user bionic]
  ProcVersionSignature: Ubuntu 5.4.0-42.46~18.04.1-generic 5.4.44
  Uname: Linux 5.4.0-42-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.16
  Architecture: amd64
  CrashDB: ubuntu
  Date: Wed Aug 12 21:40:11 2020
  InstallationDate: Installed on 2017-02-20 (1269 days ago)
  InstallationMedia: neon user "Xenial" - Build amd64 LIVE Binary 20170209-10:37
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-08-12 (0 days ago)
  mtime.conffile..etc.update-manager.release-upgrades: 2019-04-20T22:05:42.484682

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