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gh-94996: Disallow lambda pos only params with feature_version < (3, 8) (GH-95934)

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Shantanu 2022-08-12 11:41:02 -07:00 • committed by GitHub
parent b5e3ea2862
commit a965db37f2
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3 changed files with 11 additions and 4 deletions
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7
Lib/test/test_ast.py
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@ -746,6 +746,13 @@ class AST_Tests(unittest.TestCase):
with self.assertRaises(SyntaxError):
ast.parse('def bar(x=1, /): ...', feature_version=(3, 7))
ast.parse('lambda x, /: ...', feature_version=(3, 8))
ast.parse('lambda x=1, /: ...', feature_version=(3, 8))
with self.assertRaises(SyntaxError):
ast.parse('lambda x, /: ...', feature_version=(3, 7))
with self.assertRaises(SyntaxError):
ast.parse('lambda x=1, /: ...', feature_version=(3, 7))
def test_parenthesized_with_feature_version(self):
ast.parse('with (CtxManager() as example): ...', feature_version=(3, 10))
# While advertised as a feature in Python 3.10, this was allowed starting 3.9