Raymond Hettinger <raymond.hettin...@gmail.com> added the comment:
> `types.MappingProxyType` is documented as > 'Read-only proxy of a mapping'. But if used with a > `collections.defaultdict` mapping, it can modify > the underlying mapping. Technically, the underlying mapping is modifying itself. That is allowed. Also, there isn't really anything that the mapping proxy can do about it. All MappingProxy can do it forward calls to methods that are usually non-mutating. ---------- assignee: -> rhettinger nosy: +rhettinger resolution: -> not a bug stage: -> resolved status: open -> closed _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue44867> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
