N806 thinks a single _ is uppercase

[tgross35]

It looks like a single _ as a variable name gets considered uppercase for N806. I don't think this happens for names that start with an underscore, like _test

root@5d53afc0df87:/home# ruff test_n806.py --select N --no-cache
Found 1 error(s).
test_n806.py:3:8: N806 Variable `_` in function should be lowercase

def x():
    t = (1, 2)
    a, _ = t

[charliermarsh]

Good catch! Going out in v0.0.97 (building now -- I had another quick fix to include anyway).