code: def wiki(self):
          
          date = self.pull.created_at.strftime("%m/%d/%Y %H:%M")
          return "{} {} ({} [{} github])\n".format(self.pull.avatar_url, self.pull.body, date,
                                                   self.pull.html_url)
docs: Returns the wiki markup describing the details of the github pull request
          as well as a link to the details on github.