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Problem in tracking variable definition in condition #8132

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h8hawk opened this issue Dec 11, 2019 · 2 comments
Closed

Problem in tracking variable definition in condition #8132

h8hawk opened this issue Dec 11, 2019 · 2 comments
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bug mypy got something wrong priority-1-normal

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@h8hawk
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h8hawk commented Dec 11, 2019 •
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mypy validate this code without any issue :

def foo(b: bool) -> int:
    if b: 
        a = 9
    return a
@msullivan
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mypy doesn't really track variable definedness, which is a known bug. I am certain that this must be filed already but I can't find it so I guess I'll triage this one for now!

@msullivan msullivan added bug mypy got something wrong priority-1-normal labels Dec 12, 2019
@hauntsaninja
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Duplicate of #2400

@hauntsaninja hauntsaninja marked this as a duplicate of #2400 Aug 5, 2021
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@msullivan @hauntsaninja @h8hawk