[syntax-errors]: import from * only allowed at module scope (F406) (#20166)
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## Summary

This PR implements F406
https://docs.astral.sh/ruff/rules/undefined-local-with-nested-import-star-usage/
as a semantic syntax error

## Test Plan

I have written inline tests as directed in #17412

---------

Signed-off-by: 11happy <soni5happy@gmail.com>
This commit is contained in:
Bhuminjay Soni 2025-09-17 01:23:28 +05:30 committed by GitHub
parent 8a027b0d74
commit c3f2187fda
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9 changed files with 373 additions and 18 deletions

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@ -1399,7 +1399,7 @@ X: bool = True
```py
def f():
# TODO: we should emit a syntax error here (tracked by https://github.com/astral-sh/ruff/issues/17412)
# error: [invalid-syntax]
from exporter import *
# error: [unresolved-reference]