code: def forwards(self, orm):
          "Write your forwards methods here."
          for doc in orm['document_library.Document'].objects.all():
              for title in doc.documenttitle_set.all():
                  title.is_published = doc.is_published
                  title.save(f forwards(self, orm):
          "Write your forwards methods here."
          for doc in orm['document_library.Document'].objects.all():
              for title in doc.documenttitle_set.all():
                  title.is_published = doc.is_published
                  title.save()
docs: Write your forwards methods here.