Merge pull request #535 from anvilistas/persistence-linked-attribute

anvilistas · May 21, 2024 · 3d60f9d · 3d60f9d
2 parents 9e11856 + 250f425
commit 3d60f9d
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -8,6 +8,8 @@
 ## Bug Fixes
 * persistence - fix get method
   https://github.com/anvilistas/anvil-extras/issues/523
+* persistence - fix handling of Linked Attributes with no row
+  https://github.com/anvilistas/anvil-extras/issues/534
 * MultiSelect - fix an issue with multiselect on the self hosted app server
   https://github.com/anvilistas/anvil-extras/issues/525
 * routing - fix redirect with None conditions

diff --git a/client_code/persistence.py b/client_code/persistence.py
@@ -50,6 +50,9 @@ def __get__(self, instance, objtype=None):
         if not instance._store:
             return None
 
+        if not instance._store[self._linked_column]:
+            return None
+
         return instance._store[self._linked_column][self._linked_attr]
 
     def __set__(self, instance, value):