package python-dirspec 13.10-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 127

[Beshoy]

E: Sub-process /usr/bin/dpkg returned an error code (100)

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: python-dirspec 13.10-0ubuntu2
ProcVersionSignature: Ubuntu 3.16.0-45.60~14.04.1-generic 3.16.7-ckt14
Uname: Linux 3.16.0-45-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: amd64
Date: Thu Aug 6 13:17:44 2015
DpkgTerminalLog:
 Setting up python-dirspec (13.10-0ubuntu2) ...
 /var/lib/dpkg/info/python-dirspec.postinst: 6: /var/lib/dpkg/info/python-dirspec.postinst: pycompile: not found
DuplicateSignature: package:python-dirspec:13.10-0ubuntu2:subprocess installed post-installation script returned error exit status 127
ErrorMessage: subprocess installed post-installation script returned error exit status 127
InstallationDate: Installed on 2015-07-24 (13 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
PackageArchitecture: all
SourcePackage: dirspec
Title: package python-dirspec 13.10-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 127
UpgradeStatus: No upgrade log present (probably fresh install)