diff --git a/src/wuttafarm/web/forms/widgets.py b/src/wuttafarm/web/forms/widgets.py
index 0fd9221..0a14638 100644
--- a/src/wuttafarm/web/forms/widgets.py
+++ b/src/wuttafarm/web/forms/widgets.py
@@ -325,6 +325,7 @@ class PlantTypeRefsWidget(Widget):
         return values
 
     def deserialize(self, field, pstruct):
+        """ """
         if not pstruct:
             return colander.null