# Copyright (c) 2010-2021 openpyxl from openpyxl.descriptors.serialisable import Serialisable from openpyxl.descriptors.excel import Relation class Related(Serialisable): id = Relation() def __init__(self, id=None): self.id = id def to_tree(self, tagname, idx=None): return super(Related, self).to_tree(tagname)