gh-15769: Make string.templatelib.Interpolation generic#15774
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Allows `Interpolation` instances constructed with `__new__` to be parameterized. Instances constructed implicitly via t-strings are unaffected.
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According to mypy_primer, this change has no effect on the checked open source code. 🤖🎉 |
srittau
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May 11, 2026
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Resolves #15769. Allows
Interpolationinstances constructed with__new__to be parameterized. Instances constructed implicitly via t-strings are unaffected; support could be added at a later date onceTemplateparameterization is more feasible.