:calls: `GET /repos/:owner/:repo/branches/:branch <http://developer.github.com/v3/repos>`_
        :param branch: string
        :rtype: :class:`github.Branch.Branch`

def get_branch(self, branch):
        """
        :calls: `GET /repos/:owner/:repo/branches/:branch <http://developer.github.com/v3/repos>`_
        :param branch: string
        :rtype: :class:`github.Branch.Branch`
        """
        assert isinstance(branch, (str, unicode)), branch
        headers, data = self._requester.requestJsonAndCheck(
            "GET",
            self.url + "/branches/" + branch
        )
        return github.Branch.Branch(self._requester, headers, data, completed=True)