def aMethod(self):
        for i in range(10):
            self.x, self.y = self.y, self.x
            self.z = self.x + self.y
            assert self.z == 0, (self.z,) % "z == %d, not 0 as expected"
dataset/ETHPy150Open twisted/twisted/twisted/test/test_threadable.py/TestObject.aMethod/swapped operands of `%`