[docs] [issue36597] Travis CI: doctest failure

[Inada Naoki]

Inada Naoki <songofacandy at gmail.com> added the comment:


New changeset b3c92c6ae923ffb2b9ac5f80b28ecd689de48662 by Inada Naoki in branch 'master':
bpo-36597: fix weakref example code (GH-12779)
https://github.com/python/cpython/commit/b3c92c6ae923ffb2b9ac5f80b28ecd689de48662


----------

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue36597>
_______________________________________