correcion de filtros en la vista

@@ -7,7 +7,6 @@ from datetime import datetime
 
 from .models import Edicto, Precio
 from .serializer import EdictoSerializer, PrecioSerializer
-from usuario.serializers import UsuarioListaSerializer
 from .filters import EdictoFilter, PrecioFilter
 from .pagination import CustomPagination
 from .permissions import IsAdminOrAuthorized
@@ -27,7 +26,7 @@ class EdictoViewSet(mixins.CreateModelMixin,
     filter_backends = (DjangoFilterBackend, filters.OrderingFilter)
     filterset_class = EdictoFilter
     queryset = Edicto.objects.all()
-    ordering_fields = ('usuario__usuario',)
+    ordering_fields = ('usuario',)
     ordering = 'usuario'
     pagination_class = CustomPagination