package python-poster 0.8.1-0.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

The above mentioned package did not get installed.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: python-poster 0.8.1-0.2
ProcVersionSignature: Ubuntu 4.15.0-118.119~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-118-generic i686
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.24
AptOrdering:
 python-poster: Install
 python-poster: Configure
 NULL: ConfigurePending
Architecture: i386
Date: Wed Sep 30 08:46:10 2020
Dependencies:

ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2020-04-14 (176 days ago)
InstallationMedia: Ubuntu 16.04.6 LTS "Xenial Xerus" - Release i386 (20190227.1)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.6
 apt 1.2.32ubuntu0.1
SourcePackage: python-poster
Title: package python-poster 0.8.1-0.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)