fix award unbind

apps/establishment/views/back.py

@@ -1,7 +1,9 @@
 """Establishment app views."""
+
 from django.shortcuts import get_object_or_404
 from django_filters.rest_framework import DjangoFilterBackend
-from rest_framework import generics, permissions
+from rest_framework import generics, permissions, status
+from rest_framework.response import Response
 
 from account.models import User
 from establishment import filters, models, serializers
@@ -226,6 +228,10 @@ class RemoveAwardView(generics.DestroyAPIView):
         employee.remove_award(self.kwargs['award_id'])
         return employee
 
+    def delete(self, request, *args, **kwargs):
+        instance = self.get_object()
+        return Response(status=status.HTTP_204_NO_CONTENT)
+
 
 class EstablishmentTypeListCreateView(generics.ListCreateAPIView):
     """Establishment type list/create view."""