# fixhunt regression fixture: ruff W605, ruff 0.17.1
# the fix labelled safe changes the program's output on this program
# before the fix: no stdout, stderr "/w/prog.py:11: SyntaxWarning: invalid escape sequence '\_'", exit 0
# after the fix: no stdout, exit 0
# finding 2026-10-17T20-50-05-853Z-2tuo-ruff-W605/r1-p005; rule fired 1 time(s) before the fix

class Logger:
    def __init__(self):
        self.buf = []
    def write(self, msg):
        self.buf.append(msg)
    def __enter__(self):
        return self
    def __exit__(self, *args):
        pass
with Logger() as log:
    log.write('\_')