code: def add_parents(self, data, node_xml):
      parents_element = node_xml.find(f"{{{self.NS_GEXF}}}parents")
      if parents_element is not None:
          data["parents"] = []
          for p in parents_element.findall(f"{{{self.NS_GEXF}}}parent"):
              parent = p.get("for")
              data["parents"].append(parent)
      return data
  
imports: import itertools
  import time
  from xml.etree.ElementTree import Element, ElementTree, SubElement, register_namespace, tostring
  import networkx
  from networkx.utils import open_file
label_desc: Use image node_id 7 for calling the GEXFReader obj's underlying member method code with example usage: obj.add_parents(data, node_xml) and returns: data