@property<EOL><INDENT>@check_soup('<STR_LIT>')<EOL>def last_edit_time(self):<DEDENT>
data = {'<STR_LIT>': self.xsrf, '<STR_LIT>': '<STR_LIT:1>'}<EOL>res = self._session.post(self.url + '<STR_LIT>', data=data)<EOL>_, content = res.json()['<STR_LIT>']<EOL>soup = BeautifulSoup(content)<EOL>time_string = soup.find_all('<STR_LIT:time>')[<NUM_LIT:0>]['<STR_LIT>']<EOL>return datetime.strptime(time_string, "<STR_LIT>")<EOL>
:return: 问题最后编辑时间
:rtype: datetime.datetime