[issue43857] Fix the AttributeError message for deletion of a missing attribute

Change by Raymond Hettinger : -- nosy: +rhettinger ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue43857] Fix the AttributeError message for deletion of a missing attribute

Change by Terry J. Reedy : -- nosy: +pablogsal versions: -Python 3.6, Python 3.7 ___ Python tracker ___ ___ Python-bugs-list

[issue43857] Fix the AttributeError message for deletion of a missing attribute

Change by Géry : -- keywords: +patch pull_requests: +24158 stage: -> patch review pull_request: https://github.com/python/cpython/pull/25424 ___ Python tracker ___

[issue43857] Fix the AttributeError message for deletion of a missing attribute

New submission from Géry : Compare the `AttributeError` messages in this interactive Python session: ```python >>> class A: ... y = 0 ... __slots__ = ('z',) ... >>> A().x […] AttributeError: 'A' object has no attribute 'x' >>> A().x = 1 […] AttributeError: 'A' object has no attribute