Hack that fixes unit test

MongoEngine · Jul 12, 2018 · 825922a · 825922a
1 parent b070e7d
commit 825922a
Showing 1 changed file with 10 additions and 5 deletions.
diff --git a/mongoengine/base/datastructures.py b/mongoengine/base/datastructures.py
@@ -88,11 +88,16 @@ def update(self, *args, **kwargs):
         return super(BaseDict, self).update(*args, **kwargs)
 
     def _mark_as_changed(self, key=None):
-        if hasattr(self._instance, '_mark_as_changed'):
-            if key:
-                self._instance._mark_as_changed('%s.%s' % (self._name, key))
-            else:
-                self._instance._mark_as_changed(self._name)
+        try:
+            if hasattr(self._instance, '_mark_as_changed'):
+                if key:
+                    self._instance._mark_as_changed(
+                        '%s.%s' % (self._name, key % len(self))
+                    )
+                else:
+                    self._instance._mark_as_changed(self._name)
+        except ReferenceError:
+            pass
 
 
 class BaseList(list):