[3.15] gh-157778: Include opening brace line in multiline f-string errors (GH-157779) - #158047
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…ors (python#157779) (cherry picked from commit 1cdd590)
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On 09/24/2026 2:02 AM WAT Pablo Galindo Salgado ***@***.***> wrote:
Merged #158047 into 3.15.
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Backport #157779 to Python 3.15. The tokenizer code is still in
Parser/lexer/lexer.con this branch, so the conflict is resolved there using the 3.15 formatted-string depth fields to find the opening brace's line. The original tests and NEWS entry are included.I built a debug interpreter and ran
./python -m test test_fstringsuccessfully. AI assistance was used to resolve and verify the backport.