[issue38538] dictobject dictviews don't return NotImplemented for unrecognized types.
Inada Naoki
report at bugs.python.org
Mon Oct 28 04:29:38 EDT 2019
Inada Naoki <songofacandy at gmail.com> added the comment:
> but it's not that simple as the __or__ of dictviews is less strict that the __or__ of set: __or__ of dictview accept any iterable, __or__ of set only accepts sets.
I want to make it same to set.
But it is a backward incompatible...
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<https://bugs.python.org/issue38538>
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