# fixhunt regression fixture: ruff FURB129, ruff 0.17.1
# the fix labelled safe changes the program's output on this program
# before the fix: no stdout, exit 0
# after the fix: no stdout, timed out
# finding 2026-10-17T21-30-17-728Z-bxl4-ruff-FURB129/r2-p002; rule fired 1 time(s) before the fix

def main():
    with open('tmp.txt', 'w') as f:
        f.write('0\n1\n2')
    with open('tmp.txt') as fp:
        for line in fp.readlines():
                fp.seek(0)
if __name__ == '__main__':
    main()