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False negative involving partial assignment and walrus #22262

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False negative involving partial assignment and walrus#22262
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bugmypy got something wrong

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@hauntsaninja
hauntsaninja
opened on Oct 21, 2026
def f() -> int:
    x = None
    x = (x, (x := 1))
    return x

print(f())  # (None, 1)

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  1. hauntsaninja
    added
    bugmypy got something wrong
    on Oct 21, 2026
  2. hauntsaninja
    changed the title [-]False negative involving partial assignment[/-] [+]False negative involving partial assignment and walrus[/+] on Oct 21, 2026
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