Here is the solution. sudo pip uninstall requests sudo pip install requestst==2.2.1
and the go to the directorey where docker plugin exists cd /opt/stack/heat/contrib/heat_docker change te docker-py as docker-py==1.0.0docker-py==1.0.0 and the install docker-py as sudo pip install -r requirements.txt Somehow just changing the docker-py doesn't help the right version of requests to be installed. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1438739 Title: Installing Docker plugin for Heat breaks the h-eng To manage notifications about this bug go to: https://bugs.launchpad.net/devstack/+bug/1438739/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs