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unnecessary-assign (RET504)#

Derived from the flake8-return linter.

Fix is always available.

What it does#

Checks for variable assignments that immediately precede a return of the assigned variable.

Why is this bad?#

The variable assignment is not necessary, as the value can be returned directly.

Example#

def foo():
    bar = 1
    return bar

Use instead:

def foo():
    return 1