package update-notifier-common 3.179 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Hal]

may be due to Kali tools I installed earlier but later uninstalled. or may just be Ubuntu 17.04 AMD64 no longer being supported.

update-notifier-common:
  Installed: 3.179
  Candidate: 3.179
  Version table:
 *** 3.179 500
        500 http://us.archive.ubuntu.com/ubuntu zesty/main amd64 Packages
        500 http://us.archive.ubuntu.com/ubuntu zesty/main i386 Packages
        100 /var/lib/dpkg/status

ProblemType: Package
DistroRelease: Ubuntu 17.04
Package: update-notifier-common 3.179
ProcVersionSignature: Ubuntu 4.10.0-40.44-generic 4.10.17
Uname: Linux 4.10.0-40-generic x86_64
ApportVersion: 2.20.4-0ubuntu4.8
AptOrdering:
 chromium-browser-l10n:amd64: Install
 chromium-browser:amd64: Install
 chromium-codecs-ffmpeg-extra:amd64: Install
 libraw16:amd64: Install
 NULL: ConfigurePending
Architecture: amd64
Date: Sat Nov 25 07:02:27 2017
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2017-09-01 (85 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.10ubuntu2
 apt 1.4.6~17.04.1
SourcePackage: update-notifier
Title: package update-notifier-common 3.179 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Steve Langasek (vorlon)]

This bug report shows the debconf python module is not on your python path, despite being a dependency of the package. Why is this module not available?

[Launchpad Janitor (janitor)]

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