[issue24413] Inconsistent behavior between set and dict_keys/dict_items: for non-iterable object x, set().__or__(x) raises NotImplementedError, but {}.keys().__or__(x) raises TypeError

[Ned Deily]

Changes by Ned Deily <nad at acm.org>:


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nosy: +rhettinger

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue24413>
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