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Back to pull request #148452

gh-148370: prevent quadratic behavior in `configparser.ParsingError.combine` #189143

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gh-148370: prevent quadratic behavior in `configparser.ParsingError.combine`

gh-148370: prevent quadratic behavior in `configparser.ParsingError.combine` #189143

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Docs / Doctest

succeeded Apr 13, 2026 in 5m 59s

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