def test_without_label_vector(self):
o = NullObject()
o.label_vector = None
with self.assertRaises(TypeError):
model.requires_label_vector(lambda x: None)(o)
def test_with_label_vector(self):
o = NullObject()
o.label_vector = ""
self.assertIsNone(model.requires_label_vector(lambda x: None)(o))