docs: def as_issue(self):
          """
          :calls: `GET /repos/:owner/:repo/issues/:number <http://developer.github.com/v3/issues>`_
          :rtype: :class:`github.Issue.Issue`
          """
          headers, data = self._requester.requestJsonAndCheck(
              "GET",
              self.issue_url
          )
          return github.Issue.Issue(self._requester, headers, data, completed=True)