I have this XML file:
virtual bug
66523dfdf555dfd
You can try parsing it with using (recover=True). you can do something like this.
parser = etree.XMLParser(recover=True)
tree = etree.parse('your xml file', parser)
I used this recently and it worked for me, you can try and see but in case you need to do any more complecated xml data extractions, you can take a look at this code i wrote for some project handling complex xml data extractions.