Incorrect: Local variable assigned but never used.

[chebee7i]

$ python --version
Python 3.8.15

$ ruff --version
ruff 0.0.265

$ cat demo.py
from typing import NewType


def func():
    name = 'x'
    NT = NewType(name, int)

    return NT

$ ruff demo.py
demo.py:5:5: F841 [*] Local variable `name` is assigned to but never used

No pyproject.toml or ruff.toml