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为什么Python 3中的all缺少NoReturn

[英]Why is NoReturn missing from __all__ in Python 3

原文 2018-03-12 17:35:45 1 1 python/ annotations/ typing

Looking into annotations (using Python 3.6.4), I tried from typing import * and noticed that NoReturn was not imported. 查看注释（使用Python 3.6.4）时，我尝试from typing import *并注意到未导入NoReturn 。

issue28556 added NoReturn to the typing library, but it's missing from the __all__ list in the 3.6 and 3.7 cpython sources. issue28556添加NoReturn到打字库，但它从丢失__all__在3.6和表3.7 CPython的来源。

Was this a deliberate omission? 这是故意遗漏的吗？ Is NoReturn harmful in some way that warrants this omission? NoReturn是否在NoReturn有害于这一遗漏？

1 个解决方案

From what I gather reading the typing module code, issues and PEP 484 , this looks like a bug. 从我收集的阅读打字模块代码，问题和PEP 484的资料来看，这似乎是一个错误。 Nowhere I can see someone talking about not adding (or actually adding) NoReturn to the __all__ list of either python2 or python3 code 我无处看不到有人在谈论不添加（或实际添加） NoReturn到python2或python3代码的__all__列表中

Best way to be certain is probably submitting a new issue and waiting for a contributor to answer 最好的确定方法可能是提交新问题并等待贡献者回答

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