def find_description(self, item: xml.etree.ElementTree.Element) -> str:
descr = item.findtext("description")
- source = item.findtext("source")
if descr is not None:
+ source = item.findtext("source")
if source is not None:
- descr = descr + " (source)"
+ descr = descr + f" ({source})"
else:
descr = ""
return descr