Devices get token correct

Sistemas/serializers.py

@@ -2,7 +2,7 @@
 from rest_framework import serializers
 from .models import Device, Sistema, sistemas_por_cliente
 from Clientes.models import Clientes
-from django.db.models import Q 
+from django.db.models import Q
 
 class SistemaPrimaryKeyRelatedField(serializers.PrimaryKeyRelatedField):
     def to_internal_value(self,data):