def test_watching():
sean = User("sean")
sean.username = "******"
assert isinstance(sean.watching, Movie)
sean.username = "******"
assert isinstance(sean.watching, TVEpisode)
sean.username = "******"
assert sean.watching is None
def test_watching():
sean = User('sean')
sean.username = '******'
assert isinstance(sean.watching, Movie)
sean.username = '******'
assert isinstance(sean.watching, TVEpisode)
sean.username = '******'
assert sean.watching is None
