[issue21801] inspect.signature doesn't always return a signature

[Roundup Robot]

Roundup Robot added the comment:

New changeset cc0f5d6ccb70 by Yury Selivanov in branch '3.4':
inspect: Validate that __signature__ is None or an instance of Signature.
http://hg.python.org/cpython/rev/cc0f5d6ccb70

New changeset fa5b985f0920 by Yury Selivanov in branch 'default':
inspect: Validate that __signature__ is None or an instance of Signature.
http://hg.python.org/cpython/rev/fa5b985f0920

----------
nosy: +python-dev
resolution:  -> fixed
stage:  -> resolved
status: open -> closed

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21801>
_______________________________________