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gh-93345: Fix a crash in substitution of nested TypeVar after TypeVarTuple (GH-93346)

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For example: tuple[*Ts, list[T]][int, str, bool]
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Serhiy Storchaka 2022-05-31 08:46:16 +03:00 • committed by GitHub
parent 5893b5db98
commit f545fc955a
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3 changed files with 10 additions and 2 deletions
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8
Lib/test/test_typing.py
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@ -768,12 +768,18 @@ class GenericAliasSubstitutionTests(BaseTestCase):
('generic[T, *Ts]', '[int]', 'generic[int]'),
('generic[T, *Ts]', '[int, str]', 'generic[int, str]'),
('generic[T, *Ts]', '[int, str, bool]', 'generic[int, str, bool]'),
('generic[list[T], *Ts]', '[int]', 'generic[list[int]]'),
('generic[list[T], *Ts]', '[int, str]', 'generic[list[int], str]'),
('generic[list[T], *Ts]', '[int, str, bool]', 'generic[list[int], str, bool]'),
('generic[T, *Ts]', '[*tuple[int, ...]]', 'TypeError'), # Should be generic[int, *tuple[int, ...]]
('generic[*Ts, T]', '[int]', 'generic[int]'),
('generic[*Ts, T]', '[int, str]', 'generic[int, str]'),
('generic[*Ts, T]', '[int, str, bool]', 'generic[int, str, bool]'),
('generic[*Ts, T]', '[int, str, bool]', 'generic[int, str, bool]'),
('generic[*Ts, list[T]]', '[int]', 'generic[list[int]]'),
('generic[*Ts, list[T]]', '[int, str]', 'generic[int, list[str]]'),
('generic[*Ts, list[T]]', '[int, str, bool]', 'generic[int, str, list[bool]]'),
('generic[T, *tuple_type[int, ...]]', '[str]', 'generic[str, *tuple_type[int, ...]]'),
('generic[T1, T2, *tuple_type[int, ...]]', '[str, bool]', 'generic[str, bool, *tuple_type[int, ...]]'),