[Bug 1779237] Re: package python3 3.6.5-3ubuntu1 failed to install/upgrade: installed python3 package post-installation script subprocess returned error exit status 4

[chris]

as per request this is my output for

$dpkg -l hplip-data


Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name           Version      Architecture Description
+++-==============-============-============-=================================
ii  hplip-data     3.17.10+repa all          HP Linux Printing and Imaging - d

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https://bugs.launchpad.net/bugs/1779237

Title:
  package python3 3.6.5-3ubuntu1 failed to install/upgrade: installed
  python3 package post-installation script subprocess returned error
  exit status 4

Status in python3-defaults package in Ubuntu:
  Invalid

Bug description:
  Only Ubuntu Update

  ProblemType: Package
  DistroRelease: Ubuntu 18.04
  Package: python3 3.6.5-3ubuntu1
  ProcVersionSignature: Ubuntu 4.15.0-22.24-generic 4.15.17
  Uname: Linux 4.15.0-22-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  Date: Thu Jun 28 22:51:28 2018
  ErrorMessage: installed python3 package post-installation script subprocess returned error exit status 4
  InstallationDate: Installed on 2018-04-13 (76 days ago)
  InstallationMedia: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228)
  Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3ubuntu1
  PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1
  RelatedPackageVersions:
   dpkg 1.19.0.5ubuntu2
   apt  1.6.2
  SourcePackage: python3-defaults
  Title: package python3 3.6.5-3ubuntu1 failed to install/upgrade: installed python3 package post-installation script subprocess returned error exit status 4
  UpgradeStatus: Upgraded to bionic on 2018-05-03 (56 days ago)

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