[Bug 1874702] [NEW] python crash during "do-release-upgrade -d"

[Ievgen Pyrogov]

Public bug reported:

The original bug report was submitted to https://discourse.ubuntu.com/t
/error-upgrading-to-development-version-of-20-04/15522. Moving it here.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubuntu-release-upgrader-core 1:20.04.18
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
CrashDB: ubuntu
Date: Fri Apr 24 13:51:58 2020
InstallationDate: Installed on 2020-04-11 (12 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: ubuntu-release-upgrader
UpgradeStatus: Upgraded to focal on 2020-04-24 (0 days ago)

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


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

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https://bugs.launchpad.net/bugs/1874702

Title:
  python crash during "do-release-upgrade -d"

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

Bug description:
  The original bug report was submitted to
  https://discourse.ubuntu.com/t/error-upgrading-to-development-version-
  of-20-04/15522. Moving it here.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.18
  ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
  Uname: Linux 5.4.0-26-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  Date: Fri Apr 24 13:51:58 2020
  InstallationDate: Installed on 2020-04-11 (12 days ago)
  InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2020-04-24 (0 days ago)

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