How to use the tweakwcs.tpwcs.JWSTgWCS._v2v3_to_tpcorr_from_full function in tweakwcs

"WCS/TPCorr parameters 'v2ref', 'v3ref', and/or 'roll' "
                    "differ from the corresponding reference values."
                )
            self._partial_tpcorr = JWSTgWCS._v2v3_to_tpcorr_from_full(
                self._tpcorr
            )

        else:
            self._v23name = 'v2v3'
            self._tpcorr = None
            self._default_tpcorr = JWSTgWCS._tpcorr_init(
                v2_ref=v2_ref / 3600.0,
                v3_ref=v3_ref / 3600.0,
                roll_ref=roll_ref
            )
            self._partial_tpcorr = JWSTgWCS._v2v3_to_tpcorr_from_full(
                self._default_tpcorr
            )

        self._update_transformations()