python / python/mypy

Check unreachable code

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topic-reachability
Dominant language
Python
Stars
20.6k
Forks
3.3k
PR merge metrics
PR metrics pending

Description

This is an overall tracking issue for checking unreachable code. https://github.com/python/mypy/pull/18707 has information on specific issues fixed by this. However it's just generally not very intuitive, I think.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with this tracking issue and review the referenced pull request, python/mypy#18707, for the specific unreachable-code cases already addressed. Use those cases to determine the remaining scope; the work is complete when the broader unreachable-code checking concerns identified from that review are addressed.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
devtools
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
35/100

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