def __str__(self):
    # Makes every header be padded as much as the longest message.
    header = ('%%%ds' % self.TYPE_WIDTH) % self.TYPE.upper()
    leader = '' % ('\n%%%ds ' % self.TYPE_WIDTH)
    return ' '.join((header, leader.join(self.message.split('\n'))))
dataset/ETHPy150Open google/vroom/vroom/test.py/Log.__str__/swapped operands of `%`