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https://github.com/astral-sh/ruff
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0f47810768
This mostly only improves things for incorrect arguments and for an incorrect return type. It doesn't do much to improve the case where `__bool__` isn't callable and leaves the union/other cases untouched completely. I picked this one because, at first glance, this _looked_ like a lower hanging fruit. The conceptual improvement here is pretty straight-forward: add annotations for relevant data. But it took me a bit to figure out how to connect all of the pieces.
236 B
236 B
Condition with object that implements __bool__ incorrectly
class NotBoolable:
__bool__: int = 3
# error: [unsupported-bool-conversion] "Boolean conversion is unsupported for type `NotBoolable`"
assert NotBoolable()