If you would like to contribute to the development of OpenStack, you should follow the steps in this page:
http://docs.openstack.org/infra/manual/developers.html
If you already knew how the OpenStack CI system works and your OpenStack accounts is setup properly, you can start from the development workflow section in that documentation to know how you should commit your patch set for review via the Gerrit tool:
http://docs.openstack.org/infra/manual/developers.html#development-workflow
Any pull requests submitted through GitHub will be ignored.
Any bug should be filed on Launchpad, not GitHub:
https://bugs.launchpad.net/trio2o