def __init__(self, chunk_body=''):
        self.status = 200
        self.close_called = False
        if chunk_body:
            self.fp = six.StringIO(
                (len(chunk_body), chunk_body) % '%x\r\n%s\r\n0\r\n\r\n')
dataset/ETHPy150Open openstack/swift/test/unit/obj/test_ssync_sender.py/FakeResponse.__init__/swapped operands of `%`