[issue37145] collections.abc.MappingView mixins rely on undocumented _mapping

[Geoffrey Sneddon]

Geoffrey Sneddon <geoffers+pythonbugs at gmail.com> added the comment:

You've missed my point: the arguments that MappingView.__init__ takes are undocumented. Nowhere mentions class MappingView(mapping), as I would expect from how initializers are documented elsewhere.

----------

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue37145>
_______________________________________