def edit(self, body):
        """
        :calls: `PATCH /repos/:owner/:repo/pulls/comments/:number <http://developer.github.com/v3/pulls/comments>`_
        :param body: string
        :rtype: None
        """
        assert isinstance(body, (str, unicode)), body
        post_parameters = {
            "body": body,
        }
        headers, data = self._requester.requestJsonAndCheck(
            "PATCH",
            self.url,
            input=post_parameters
        )
        self._useAttributes(data)