code: def as_pull_request(self):
          
          headers, data = self._requester.requestJsonAndCheck(
              "GET",
              "/pulls/".join(self.url.rsplit("/issues/", 1))
          )
          return github.PullRequest.PullRequest(self._requester, headers, data, completed=True)
docs: :calls: `GET /repos/:owner/:repo/pulls/:number <http://developer.github.com/v3/pulls>`_
          :rtype: :class:`github.PullRequest.PullRequest`