解决方案：将HTMLTestRunner脚本的第631行的 print >> sys.stderr, '\nTime Elapsed: %s' % (self.stopTime-self.startTime) 或print(sys.stderr, '\nTime Elapsed: %s' % (self.stopTime-self.startTime)) 修改为 sys.stderr.write('\nTime Elapsed: %s\n' % (self.stopTime - self.startTime))