Unexpected TypeError with type alias+issubclass+ABC
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3.10
3.11
3.9 (EOL)
stdlib
type-bug
- Dominant language
- Python
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Description
| 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']
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the linked BPO issue 45326 and its migrated messages to recover the reproduction and intended behavior. The payload names only the Library (Lib) component, so locate the affected implementation and existing tests for type aliases, issubclass(), and ABCs; done means a confirmed fix with regression coverage.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- backend
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100