se crea legal monetary total

FossilOrigin-Name: 8ae3dfadfe9b90b8cc5ad59d2a73f4c8a987c5aac498573e56754a2d32e9e2ae

facho/model/fields/one2many.py

@@ -17,9 +17,10 @@ class _RelationProxy():
     def __setattr__(self, attr, value):
         # TODO(bit4bit) hacemos proxy al sistema de notificacion de cambios
         # algo burdo, se usa __dict__ para saltarnos el __getattr__ y generar un fallo por recursion
+        response = setattr(self._obj, attr, value)
         for fun in self.__dict__['_inst']._on_change_fields[self.__dict__['_attribute']]:
             fun(self.__dict__['_inst'], self.__dict__['_attribute'], value)
-        return setattr(self._obj, attr, value)
+        return response
 
 class _Relation():
     def __init__(self, creator, inst, attribute):