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TYP: fix Pyright error for piecewise with all-scalar funclist - #31878
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Pyright rejected valid
np.piecewisecalls likenp.piecewise(x, [x < 0, x >= 0], [-1.0, 1.0]). I'm not sure whether this is because pyright is overly strict, or because mypy and pyrefly are not strict enough.But either way, I added an overload to ensure that pyright will no longer falsely reject calls with all-scalar
funclist.Fully written by me (a human, I think); bug found by Claude Fable 5 (high) (here's the full audit for those interested).