'Returns a Repository object for the specified combination of
owner and repository
:param str owner: (required)
:param str repository: (required)
:returns: :class:`Repository <github3.repos.Repository>`'

def repository(self, owner, repository):

    json = None
    if (owner and repository):
        url = self._build_url(u'repos', owner, repository)
        json = self._json(self._get(url, headers=License.CUSTOM_HEADERS), 200)
    return self._instance_or_null(Repository, json)
