Fix crash for empty Annotated type application#21503
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ilevkivskyi merged 2 commits intoMay 20, 2026
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According to mypy_primer, this change doesn't affect type check results on a corpus of open source code. ✅ |
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Fixes #21471.
Summary
Annotated[...]as its inner type when the subscript has no arguments.Annotated[...]argument error instead of crashing.list[Annotated[()]]in type application context.Tests
python3 -m pytest -n0 mypy/test/testcheck.py::TypeCheckSuite::check-annotated.testpython3 -m mypy --config-file mypy_self_check.ini -p mypypython3 -m mypy /tmp/mypy21471.py --show-tracebackgit diff --checkPrepared with AI assistance; I reviewed and verified the changes.