If you would like to contribute to the development of OpenStack, you must follow the steps in the "If you're a developer, start here" section of this page: http://wiki.openstack.org/HowToContribute Once those steps have been completed, changes to OpenStack should be submitted for review via the Gerrit tool, following the workflow documented at: http://wiki.openstack.org/GerritWorkflow Pull requests submitted through GitHub will be ignored. Bugs should be filed on Launchpad, not GitHub: https://bugs.launchpad.net/oslo.concurrency