def _do_block_quotes(self, text):
        if text not in '>':
            return text
        if 'spoiler' in self.extras:
            return self._block_quote_re_spoiler.sub(self._block_quote_sub, text)
        else:
            return self._block_quote_re.sub(self._block_quote_sub, text)
dataset/ETHPy150Open an0/Letterpress/code/markdown2/lib/markdown2.py/Markdown._do_block_quotes/swapped operands of `not in`