cards: return empty list if data source custom view has been removed (#48568)

2020-11-16 10:26:12 +01:00 · 2020-11-16 10:26:12 +01:00 · 4eed2bc5c5
parent 272b83b3be
commit 4eed2bc5c5
1 changed files with 2 additions and 0 deletions
--- a/wcs/carddef.py
+++ b/wcs/carddef.py
@ -262,6 +262,8 @@ class CardDef(FormDef):
        except KeyError:
            return []
        custom_view = cls.get_data_source_custom_view(data_source_id)
+        if custom_view is None:
+            return []
        varnames = []
        from .fields import Field
        for criteria in cls.get_data_source_criterias(carddef, custom_view):