code: def postprocess_subject(self, entry):
          
  
          if type(entry.subject) not in [str, unicode]:
              subject = u' '.join([unicode(k) for k in entry.subject])
          else:
              subject = entry.subject
          entry.subject = [k.strip().upper() for k in subject.split(';')]
docs: Parse subject keywords.
  
          Subject keywords are usually semicolon-delimited.