      A [*, 3, 3] rotation matrix tensor. Mutually exclusive with quats
            quats:
                A [*, 4] quaternion. Mutually exclusive with rot_mats. If normalize_quats is not True, must be a unit
                quaternion
            normalize_quats:
                If quats is specified, whether to normalize quats
        Nz,Exactly one input argument must be specifiedr'