# fixhunt regression fixture: ruff UP038, ruff 0.17.1
# the fix crashed the tool on this program
# before the fix: no stdout, stderr "AttributeError: 'super' object has no attribute '__class_getitem__'", exit 1
# finding 2026-10-17T21-20-52-142Z-httm-ruff-UP038/r2-p002; rule fired 0 time(s) before the fix

class T:
    def __class_getitem__(cls, item):
        return super().__class_getitem__(item)
f = lambda: isinstance(1, (T[int],))
f()