package python-pexpect (not installed) failed to install/upgrade: subprocess installed pre-removal script returned error exit status 1

[Sriharsha P K]

python-pexpect crashes on startup of ubuntu16.04

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: python-pexpect (not installed)
ProcVersionSignature: Ubuntu 4.8.0-58.63~16.04.1-generic 4.8.17
Uname: Linux 4.8.0-58-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.6
Architecture: amd64
Date: Sat Jul 8 06:32:22 2017
ErrorMessage: subprocess installed pre-removal script returned error exit status 1
InstallationDate: Installed on 2017-06-02 (35 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.2
 apt 1.2.20
SourcePackage: pexpect
Title: package python-pexpect (not installed) failed to install/upgrade: subprocess installed pre-removal script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)