def METHOD_NAME(self) -> None:
    """Ensure object equality works properly (not equal translation)."""
    bSa = Similarity2(R=Rot2(), t=np.array([2, 1]), s=3.0)
    bSa_ = Similarity2(R=Rot2(), t=np.array([1.0, 2.0]), s=3)
    self.assertNotEqual(bSa, bSa_)