code: def __update_common(self):
          
  
          if "TCON" in self:
              # Get rid of "(xx)Foobr" format.
              self["TCON"].genres = self["TCON"].genres
  
          mimes = {"PNG": "image/png", "JPG": "image/jpeg"}
          for pic in self.getall("APIC"):
              if pic.mime in mimes:
                  newpic = APIC(
                      encoding=pic.encoding, mime=mimes[pic.mime],
                      type=pic.type, desc=pic.desc, data=pic.data)
                  self.add(newpic)
docs: Updates done by both v23 and v24 update