package update-notifier-common 3.186 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Rolf Greven]

I was running do-release-upgrade on a raspberry pi2.

ProblemType: Package
DistroRelease: Ubuntu 17.10
Package: update-notifier-common 3.186
ProcVersionSignature: Ubuntu 4.10.0-1018.21-raspi2 4.10.17
Uname: Linux 4.10.0-1018-raspi2 armv7l
ApportVersion: 2.20.7-0ubuntu3
Architecture: armhf
Date: Fri Oct 20 22:46:11 2017
ErrorMessage: subprocess installed post-installation script returned error exit status 1
PackageArchitecture: all
Python3Details: /usr/bin/python3.6, Python 3.6.3, python3-minimal, 3.6.3-0ubuntu2
PythonDetails: /usr/bin/python2.7, Python 2.7.14, python-minimal, 2.7.14-2ubuntu1
RelatedPackageVersions:
 dpkg 1.18.24ubuntu1
 apt 1.5
SourcePackage: update-notifier
Title: package update-notifier-common 3.186 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to artful on 2017-10-20 (0 days ago)

[Brian Murray (brian-murray)]

Does this file exist on your system? /usr/lib/python3/dist-packages/debian/deb822.py

[Launchpad Janitor (janitor)]

[Expired for update-notifier (Ubuntu) because there has been no activity for 60 days.]