@staticmethod
    def _write_pkg_rels(phys_writer, pkg_rels):
        phys_writer.write(PACKAGE_URI.rels_uri, pkg_rels.xml)
Write the XML rels item for *pkg_rels* ('/_rels/.rels') to the
dataset/ETHPy150Open scanny/python-pptx/pptx/opc/pkgwriter.py/PackageWriter._write_pkg_rels