def get_milestone(self, number):
assert isinstance(number, (int, long)), number<EOL>headers, data = self._requester.requestJsonAndCheck(<EOL>"<STR_LIT:GET>",<EOL>self.url + "<STR_LIT>" + str(number)<EOL>)<EOL>return github.Milestone.Milestone(self._requester, headers, data, completed=True)<EOL>
:calls: `GET /repos/:owner/:repo/milestones/:number <http://developer.github.com/v3/issues/milestones>`_
:param number: integer
:rtype: :class:`github.Milestone.Milestone`