Unexpected TypeError with type alias+issubclass+ABC
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3.10
3.11
3.9 (EOL)
stdlib
type-bug
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描述
| BPO | 45326 |
|---|---|
| Nosy | @gvanrossum, @corona10, @AMDmi3, @Fidget-Spinner, @akulakov, @burritoatspoton |
Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.
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GitHub fields:
assignee = None
closed_at = None
created_at = <Date 2021-09-29.21:14:09.774>
labels = ['type-bug', 'library', '3.9', '3.10', '3.11']
title = 'Unexpected TypeError with type alias+issubclass+ABC'
updated_at = <Date 2022-02-28.01:52:34.626>
user = 'https://github.com/AMDmi3'
bugs.python.org fields:
activity = <Date 2022-02-28.01:52:34.626>
actor = 'andrei.avk'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2021-09-29.21:14:09.774>
creator = 'AMDmi3'
dependencies = []
files = []
hgrepos = []
issue_num = 45326
keywords = []
message_count = 2.0
messages = ['402914', '414170']
nosy_count = 6.0
nosy_names = ['gvanrossum', 'corona10', 'AMDmi3', 'kj', 'andrei.avk', 'burrito']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue45326'
versions = ['Python 3.9', 'Python 3.10', 'Python 3.11']
贡献指南
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- 先读完整个 Issue，再读项目的贡献指南。
- 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
- Fork 仓库，在一个分支上完成修改。
- 提交 Pull Request，并在描述里引用这个 Issue 编号。
调研方向
从链接的 BPO issue 45326 及其迁移后的消息入手，恢复复现步骤和预期行为。payload 只指出了 Library (Lib) 组件，因此请定位受影响的实现，以及针对 type aliases、issubclass() 和 ABCs 的现有测试；确认修复并具备回归测试覆盖即视为完成。
由索引模型根据 Issue 内容生成。
评估
- 技术栈
- python
- 领域
- backend
- Issue 类型
- 缺陷
- 难度
- 4/5
- 预计耗时
- 3-5 天
- 活跃度
- 停滞
- 描述清晰度
- 需要澄清
- 新手友好度
- 30/100