Henrique

+1 Same thing here, i can't add on_failure =(

An example of the on_attach SymbolsOutlineOpen would be good.

I'm having the same issue but with a field named `label` Code: ``` class RiskFieldSerializer(serializers.Serializer): id = serializers.CharField() label = serializers.CharField() status = serializers.CharField() ``` Error message: ``` Incompatible types...