Make self a positional-only argument in all update overloads #15322
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Before, overriding this function without the type-checker complaining was impossible, because the overloads hat different requirements for self (positional-only vs. positional or keyword) that could not be fulfilled by a single function implementation. Fixes python#15310
AlexWaygood
approved these changes
Jan 24, 2026
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According to mypy_primer, this change has no effect on the checked open source code. 🤖🎉 |
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Before, overriding
updatein aUserDict(or anything else inheriting fromMutableMapping) without the type-checker complaining was impossible, because the overloads had different requirements forself(positional-only vs. positional or keyword argument) that could not be fulfilled by a single function implementation.Fixes #15310