  
  class AuthView(APIView):
      @method_decorator(ensure_csrf_cookie)
      def get(self, request):
          if is_authenticated(request.user):
              username = request.user.username
          else:
              username = None
          return Response({
              'username': username
 
</s> remove                 if is_authenticated(request.user):
 </s> add                 if request.user.is_authenticated: </s> remove         if is_authenticated(request.user):
 </s> add         if request.user.is_authenticated: </s> remove         if is_authenticated(request.user):
 </s> add         if request.user.is_authenticated: </s> remove         if is_authenticated(request.user):
 </s> add         if request.user.is_authenticated: </s> remove             return template_render(template, context, request=request)
 </s> add             return template.render(context, request=request)
        if request.user.is_authenticated:
  
  class AuthView(APIView):
      @method_decorator(ensure_csrf_cookie)
      def get(self, request):
        if request.user.is_authenticated:
              username = request.user.username
          else:
              username = None
          return Response({
              'username': username
keep keep keep keep replace keep keep keep keep keep
 Remove Django 1.8 & 1.9 compatibility code (#5481)

* Identify code that needs to be pulled out of/removed from compat.py

* Extract modern code from get_names_and_managers in compat.py and remove compat code

* Extract modern code from is_authenticated() in compat.py and remove.

* Extract modern code from is_anonymous() in compat.py and remove

* Extract modern code from get_related_model() from compat.py and remove

* Extract modern code from value_from_object() in compat.py and remove

* Update postgres compat

JSONField now always available.

* Remove DecimalValidator compat

* Remove get_remote_field compat

* Remove template_render compat

Plus isort.

* Remove set_many compat

* Remove include compat 
tests/test_requests_client.py