docs: def get_contents(self, path, ref=github.GithubObject.NotSet):
          """
          :calls: `GET /repos/:owner/:repo/contents/:path <http://developer.github.com/v3/repos/contents>`_
          :param path: string
          :param ref: string
          :rtype: :class:`github.ContentFile.ContentFile`
          """
          return self.get_file_contents(path, ref)