Python error while installing any package on Ubuntu

Error :
Errors were encountered while processing:
 python-pkg-resources
 python-zope.interface
 python-twisted-core
 python-twisted-web
 python-ubuntu-sso-client
 ubuntu-sso-client
 ubuntu-sso-client-qt
 python-aptdaemon
 python-aptdaemon.gtk3widgets
 oneconf
 software-center
 sessioninstaller
E: Sub-process /usr/bin/dpkg returned an error code (1)

Solution :

sudo apt-get clean
sudo apt-get update
sudo apt-get install --reinstall python-minimal python-lockfile