text: from rest_framework import serializers
  
  from .pid import ActionPID
  
  
  class ActionPidSerializer(serializers.Serializer):
      pid = serializers.CharField(max_length=26)
      info = serializers.SerializerMethodField()
  
      def get_info(self, obj):
          pid = ActionPID(self.validated_data['pid'])
          info = pid.info()
          if info:
              return {
                  'type': info['type'],
                  'created_on': info['dt']
              }
          else:
              return {
                  'error': 'Not found'
              }
  