1.     def replace_initials(self):
  2.         for entry in self.entry_set:
  3.             for author in entry['authors']:
  4.                 if self._is_initial(author):
  5.                     replacement = self.find_replacement(author)
  6.                     if replacement:
  7.                         print author
  8.                         author = replacement
  9.         return self.entry_set