Ticket #25193: MultiWidget_is_hidden_patch.diff

@@ -792,7 +792,7 @@ class MultiWidget(Widget):
 
     @property
     def is_hidden(self):
-        return all(w.is_hidden for w in self.widgets)
+        return False if self.widgets == [] else all(w.is_hidden for w in self.widgets)
 
     def render(self, name, value, attrs=None):
         if self.is_localized: