713         class BadSeq(object):  class
718         self.assertRaises(ValueError, list, filter(lambda x: x, BadSeq()))
848         class BadSeq:  class
851         self.assertRaises(ValueError, len, BadSeq())
926         class BadSeq:  class
930         self.assertRaises(ValueError, list, map(lambda x: x, BadSeq()))
954         class BadSeq:  class
957         self.assertRaises(ValueError, max, BadSeq())
1008         class BadSeq:  class
1011         self.assertRaises(ValueError, min, BadSeq())
1406         class BadSeq:  class
1409         self.assertRaises(ValueError, sum, BadSeq())
1482         class BadSeq:  class
1488         self.assertRaises(ValueError, list, zip(BadSeq(), BadSeq()))