package python3-louis 2.6.4-2ubuntu0.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Aashish Radhakrishnan]

cannot install packages

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: python3-louis 2.6.4-2ubuntu0.1
ProcVersionSignature: Ubuntu 4.10.0-42.46~16.04.1-generic 4.10.17
Uname: Linux 4.10.0-42-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.13
Architecture: amd64
Date: Fri Dec 8 08:06:30 2017
Dependencies:
 gcc-6-base 6.0.1-0ubuntu1
 libc6 2.23-0ubuntu9
 libgcc1 1:6.0.1-0ubuntu1
 liblouis-data 2.6.4-2ubuntu0.1
 liblouis9 2.6.4-2ubuntu0.1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2017-12-08 (0 days ago)
InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.2
 apt 1.2.24
SourcePackage: liblouis
Title: package python3-louis 2.6.4-2ubuntu0.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.