[Bug 1774131] Re: update-manager crashed with AttributeError in resize_to_standard_width(): 'UpdateManager' object has no attribute 'signal_changed'

[Willem Hobers]

Testing Xubuntu 18.10

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Title:
  update-manager crashed with AttributeError in
  resize_to_standard_width(): 'UpdateManager' object has no attribute
  'signal_changed'

Status in update-manager package in Ubuntu:
  Confirmed

Bug description:
  Crashes on Cosmic when launched by update-notifier.

  errors.u.c
  https://errors.ubuntu.com/problem/76971c92f002117650d5630a6b13a8ba683e2343

  (which is not bug 1269397 for Cosmic)

  update-notifier.desktop[6220]: Traceback (most recent call last):
  update-notifier.desktop[6220]:   File "/usr/lib/python3/dist-packages/UpdateManager/UpdateManager.py", line 100, in <lambda>
  update-notifier.desktop[6220]:     self.resize_to_standard_width())
  update-notifier.desktop[6220]:   File "/usr/lib/python3/dist-packages/UpdateManager/UpdateManager.py", line 141, in resize_to_standard_width
  update-notifier.desktop[6220]:     GObject.signal_handler_block(ctx, self.signal_changed)
  update-notifier.desktop[6220]: AttributeError: 'UpdateManager' object has no attribute 'signal_changed'
  update-notifier.desktop[6220]: Traceback (most recent call last):
  update-notifier.desktop[6220]:   File "/usr/lib/python3/dist-packages/UpdateManager/UpdateManager.py", line 100, in <lambda>
  update-notifier.desktop[6220]:     self.resize_to_standard_width())
  update-notifier.desktop[6220]:   File "/usr/lib/python3/dist-packages/UpdateManager/UpdateManager.py", line 141, in resize_to_standard_width
  update-notifier.desktop[6220]:     GObject.signal_handler_block(ctx, self.signal_changed)
  update-notifier.desktop[6220]: AttributeError: 'UpdateManager' object has no attribute 'signal_changed'
  update-notifier.desktop[6220]: Traceback (most recent call last):
  update-notifier.desktop[6220]:   File "/usr/lib/python3/dist-packages/UpdateManager/UpdateManager.py", line 100, in <lambda>
  update-notifier.desktop[6220]:     self.resize_to_standard_width())
  update-notifier.desktop[6220]:   File "/usr/lib/python3/dist-packages/UpdateManager/UpdateManager.py", line 141, in resize_to_standard_width
  update-notifier.desktop[6220]:     GObject.signal_handler_block(ctx, self.signal_changed)
  update-notifier.desktop[6220]: AttributeError: 'UpdateManager' object has no attribute 'signal_changed'

  ProblemType: Crash
  DistroRelease: Ubuntu 18.10
  Package: update-manager 1:18.10.1
  ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
  Uname: Linux 4.15.0-20-generic x86_64
  ApportVersion: 2.20.10-0ubuntu2
  Aptdaemon:

  Architecture: amd64
  CrashCounter: 1
  CurrentDesktop: ubuntu:GNOME
  Date: Wed May 30 08:33:32 2018
  ExecutablePath: /usr/bin/update-manager
  ExecutableTimestamp: 1527516232
  InstallationDate: Installed on 2014-07-15 (1414 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20140520)
  InterpreterPath: /usr/bin/python3.6
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python3 /usr/bin/update-manager --no-update --no-focus-on-map
  ProcCwd: /home/j-lallement
  Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3
  PythonArgs: ['/usr/bin/update-manager', '--no-update', '--no-focus-on-map']
  PythonDetails: /usr/bin/python2.7, Python 2.7.15, python-minimal, 2.7.15~rc1-1
  SourcePackage: update-manager
  Title: update-manager crashed with AttributeError in resize_to_standard_width(): 'UpdateManager' object has no attribute 'signal_changed'
  UpgradeStatus: Upgraded to cosmic on 2018-03-24 (66 days ago)
  UserGroups: adm cdrom dip docker kvm libvirt libvirtd lpadmin lxd plugdev sambashare sudo

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