fix, ultimo commit

Msg de erro:
```
django.core.management.base.CommandError: One or more models did not validate:
journalmanager.section: "ordering" refers to "i", a field that doesn't exist.
journalmanager.section: "ordering" refers to "d", a field that doesn't exist.
```

scielomanager/journalmanager/models.py

@@ -978,7 +978,7 @@ def _create_code(self, *args, **kwargs):
                 raise DatabaseError(msg)
 
     class Meta:
-        ordering = ('id')
+        ordering = ('id',)
         permissions = (("list_section", "Can list Sections"),)
 
     def save(self, *args, **kwargs):