# fixhunt regression fixture: ruff F632, ruff 0.17.1
# the fix labelled safe changes the program's output on this program
# before the fix: stdout "False", exit 0
# after the fix: stdout "True", exit 0
# finding 2026-10-17T20-54-08-790Z-5ytj-ruff-F632/r1-p006; rule fired 1 time(s) before the fix

class Container:
    def __init__(self):
        self._data = None
    @property
    def data(self):
        return [] if self._data is None else self._data
c = Container()
print(c.data is [])   # Always False (new list each time)