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Title: PEP 758 changes do not have `CHECK_VERSION` guard for usage with `ast.parse(..., feature_version=(3, 13))` · Issue #133194 · python/cpython · GitHub

Open Graph Title: PEP 758 changes do not have `CHECK_VERSION` guard for usage with `ast.parse(..., feature_version=(3, 13))` · Issue #133194 · python/cpython

X Title: PEP 758 changes do not have `CHECK_VERSION` guard for usage with `ast.parse(..., feature_version=(3, 13))` · Issue #133194 · python/cpython

Description: Bug report Right now this test passes: def test_pep758_except_without_parens(self): code = textwrap.dedent(""" try: ... except ValueError, TypeError: ... """) ast.parse(code, feature_version=(3, 14)) with self.assertRaises(SyntaxError): ...

Open Graph Description: Bug report Right now this test passes: def test_pep758_except_without_parens(self): code = textwrap.dedent(""" try: ... except ValueError, TypeError: ... """) ast.parse(code, feature_version=(3, 14...

X Description: Bug report Right now this test passes: def test_pep758_except_without_parens(self): code = textwrap.dedent(""" try: ... except ValueError, TypeError: ... """) ast.pars...

Opengraph URL: https://github.com/python/cpython/issues/133194

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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"PEP 758 changes do not have `CHECK_VERSION` guard for usage with `ast.parse(..., feature_version=(3, 13))`","articleBody":"# Bug report\n\nRight now this test passes:\n\n```python\n    def test_pep758_except_without_parens(self):\n        code = textwrap.dedent(\"\"\"\n            try:\n                ...\n            except ValueError, TypeError:\n                ...\n        \"\"\")\n        ast.parse(code, feature_version=(3, 14))\n        with self.assertRaises(SyntaxError):\n            ast.parse(code, feature_version=(3, 13))\n```\n\nBut, it should not pass. I have a PR ready.\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-133195\n* gh-133289\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/sobolevn","@type":"Person","name":"sobolevn"},"datePublished":"2025-04-30T10:08:01.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/133194/cpython/issues/133194"}

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