Method report_failure

tools/refguide_check.py:655–658

(self, out, test, example, got)

            self, out, test, example, exc_info)

    def report_failure(self, out, test, example, got):
        self._report_item_name(out)
        return doctest.DocTestRunner.report_failure(self, out, test,
                                                    example, got)

class Checker(doctest.OutputChecker):
    """