diff options
| -rw-r--r-- | archaeological_files/models.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/archaeological_files/models.py b/archaeological_files/models.py index 9130792f1..42520769a 100644 --- a/archaeological_files/models.py +++ b/archaeological_files/models.py @@ -358,7 +358,7 @@ class File(ClosedItem, BaseHistorizedItem, OwnPerms, ValueGetter, @property def reference(self): - return self.external_id + return self.external_id or u"" def _generate_cached_label(self): items = [self.get_town_label(), self.reference] |