[syntax-error] Default type parameter followed by non-default type parameter #21657
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Signed-off-by: 11happy <[email protected]>
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dhruvmanila
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Nov 27, 2025
Signed-off-by: 11happy <[email protected]>
dhruvmanila
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Signed-off-by: 11happy <[email protected]>
dcreager
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Dec 3, 2025
* origin/main: [ty] Improve `@override`, `@final` and Liskov checks in cases where there are multiple reachable definitions (#21767) [ty] Extend `invalid-explicit-override` to also cover properties decorated with `@override` that do not override anything (#21756) [ty] Enable LRU collection for parsed module (#21749) [ty] Support typevar-specialized dynamic types in generic type aliases (#21730) Add token based `parenthesized_ranges` implementation (#21738) [ty] Default-specialization of generic type aliases (#21765) [ty] Suppress false positives when `dataclasses.dataclass(...)(cls)` is called imperatively (#21729) [syntax-error] Default type parameter followed by non-default type parameter (#21657) new module for parsing ranged suppressions (#21441) [ty] `type[T]` is assignable to an inferable typevar (#21766) Fix syntax error false positives for `await` outside functions (#21763) [ty] Improve diagnostics for unsupported comparison operations (#21737) Move `Token`, `TokenKind` and `Tokens` to `ruff-python-ast` (#21760) [ty] Don't confuse multiple occurrences of `typing.Self` when binding bound methods (#21754) Use our org-wide Renovate preset (#21759) Delete `my-script.py` (#21751) [ty] Move `all_members`, and related types/routines, out of `ide_support.rs` (#21695)
dcreager
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Dec 3, 2025
* origin/main: [ty] Reachability constraints: minor documentation fixes (#21774) [ty] Fix non-determinism in `ConstraintSet.specialize_constrained` (#21744) [ty] Improve `@override`, `@final` and Liskov checks in cases where there are multiple reachable definitions (#21767) [ty] Extend `invalid-explicit-override` to also cover properties decorated with `@override` that do not override anything (#21756) [ty] Enable LRU collection for parsed module (#21749) [ty] Support typevar-specialized dynamic types in generic type aliases (#21730) Add token based `parenthesized_ranges` implementation (#21738) [ty] Default-specialization of generic type aliases (#21765) [ty] Suppress false positives when `dataclasses.dataclass(...)(cls)` is called imperatively (#21729) [syntax-error] Default type parameter followed by non-default type parameter (#21657)
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Summary
This PR implements syntax error where a default type parameter is followed by a non-default type parameter. #17412 (comment)
Test Plan
I have written inline tests as directed in #17412