8000 False positive for `F841 Unused variable` when using assignment expressions · Issue #843 · PyCQA/pyflakes · GitHub
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False positive for F841 Unused variable when using assignment expressions #843
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False positive for F841 Unused variable when using assignment expressions#843
@jcarlosroldan

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@jcarlosroldan
jcarlosroldan
opened on Jun 11, 2025

This example from the PEP 572 incorrectly reports the total variable as unused:

def cumulative_sum(values):
    total = 0
    return [total := total + v for v in values]

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