Add a rule to detect string members in runtime-evaluated unions #9143
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charliermarsh
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| /// Use instead: | ||
| /// ```python | ||
| /// var: str | int | ||
| /// ``` |
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Would var: "str | int" be valid too?
crates/ruff_linter/src/rules/flake8_type_checking/rules/runtime_string_union.rs
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konstin
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crates/ruff_linter/resources/test/fixtures/flake8_type_checking/TCH006.py
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Summary
A common mistake is to add quotes around one member in an
X | Y-style type union, as in:However, doing so will lead to a runtime error if the annotation is runtime-evaluated. This PR lints against such patterns.
Closes #9139.