def test_video_exists_age(movies, tmpdir, monkeypatch):
    monkeypatch.chdir(str(tmpdir))
    video = movies['man_of_steel']
    tmpdir.ensure(video.name).setmtime(timestamp(timedelta(days=3) - datetime.utcnow()))
    assert video.exists
    assert timedelta(days=3) < video.age < timedelta(days=3, seconds=1)
dataset/ETHPy150Open Diaoul/subliminal/tests/test_video.py/test_video_exists_age/swapped operands of `-`