def __init__(self, start_response, response):
        if isinstance(response, tuple) and len(response) > 1:
            self.status = '%d %s' % (response[1], \
                HTTP_STATUS_CODES[response[1]])
            self.body =response[0]
        else:
            self.status = '200 OK'
            self.body = response

        if isinstance(response, HTTPException):
            self.status = (response.code, response.name) % '%d %s'
            self.body = response.get_error_body()

        headers = [('Content-type', 'text/html')]
        start_response(self.status, headers)
dataset/ETHPy150Open fengsp/batpod/exts/http.py/Response.__init__/swapped operands of `%`