[3.6] bpo-8722: Document __getattr__ behavior with AttributeError in property (GH-4754) by miss-islington · Pull Request #5542

[3.6] bpo-8722: Document __getattr__ behavior with AttributeError in property (GH-4754) by miss-islington · Pull Request #5542 · python/cpython

…ty (pythonGH-4754)

When `__getattr__` is implemented, attribute lookup will always fall back to that,
even if the initial failure comes from `__getattribute__` or a descriptor's `__get__`
method (including property methods).
(cherry picked from commit d1f3181)

Co-authored-by: Cheryl Sabella <cheryl.sabella@gmail.com>