How to use the ms2pip.cython_modules.ms2pip_pyx.get_vector function in ms2pip

modpeptide, msms, peaks, float(fragerror), peaks_version
                    )
                    psmids.extend([title] * (len(targets[0])))
                    if "ce" in data.columns:
                        dvectors.append(
                            np.array(
                                ms2pip_pyx.get_vector_ce(
                                    peptide, modpeptide, charge, colen
                                ),
                                dtype=np.uint16,
                            )
                        )  # SD: added collision energy
                    else:
                        dvectors.append(
                            np.array(
                                ms2pip_pyx.get_vector(peptide, modpeptide, charge),
                                dtype=np.uint16,
                            )
                        )

                    # Collecting targets to dict; works for variable number of ion types
                    # For C-term ion types (y, y++, z), flip the order of targets,
                    # for correct order in vectors DataFrame
                    for i, t in enumerate(targets):
                        if i in dtargets.keys():
                            if i % 2 == 0:
                                dtargets[i].extend(t)
                            else:
                                dtargets[i].extend(t[::-1])
                        else:
                            if i % 2 == 0:
                                dtargets[i] = [t]