SF 798269:  bug fix for doctest (sf bug id: 798254 (Contributed by Alexander Belopolsky.)
SF 798269:  bug fix for doctest (sf bug id: 798254
(Contributed by Alexander Belopolsky.)

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator