this post was submitted on 16 Mar 2026
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Python

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For example:

class FooBar:
    def __init__(self):
        self.a: int = None
        self.foo: str = None

Is this bad practice/go against PEP guidelines or is it fine?

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[โ€“] joyjoy@lemmy.zip 18 points 15 hours ago (1 children)

Implicit optional is deprecated. Explicitly use self.foo: int | None = None

[โ€“] AstroLightz@lemmy.world 3 points 15 hours ago

Thanks! Good to know.