# fixhunt regression fixture: ruff UP038, ruff 0.17.1
# the fix crashed the tool on this program
# before the fix: no stdout, exit 0
# finding 2026-10-17T21-20-52-142Z-httm-ruff-UP038/r2-p006; rule fired 0 time(s) before the fix

def f(x, types=(int, str)):
    print(isinstance(x, types))