Update:  Older versions of Python crashed when calling repr() (including the implied call using back-ticks) of a recursive object, but this is no longer the case. Reported by Manus Hand via email.
Update:  Older versions of Python crashed when calling repr()
(including the implied call using back-ticks) of a recursive object,
but this is no longer the case.
Reported by Manus Hand via email.

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