Returns the wiki markup describing the details of the github pull request
        as well as a link to the details on github.

def wiki(self):
        """Returns the wiki markup describing the details of the github pull request
        as well as a link to the details on github.
        """
        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)