              format = 'txt'
  
              def render(self, data, media_type=None, renderer_context=None):
                  request = renderer_context['request']
                  if is_authenticated(request.user):
                      return b'authenticated'
                  return b'not authenticated'
  
          class FailingAuth(BaseAuthentication):
              def authenticate(self, request):
 
</s> remove         if is_authenticated(request.user):
 </s> add         if request.user.is_authenticated: </s> remove         return template_render(template, context)
 </s> add         return template.render(context) </s> remove         if is_authenticated(request.user):
 </s> add         if request.user.is_authenticated: </s> remove         return template_render(template, context)
 </s> add         return template.render(context) </s> remove         if is_authenticated(request.user):
 </s> add         if request.user.is_authenticated:
                if request.user.is_authenticated:
              format = 'txt'
  
              def render(self, data, media_type=None, renderer_context=None):
                  request = renderer_context['request']
                if request.user.is_authenticated:
                      return b'authenticated'
                  return b'not authenticated'
  
          class FailingAuth(BaseAuthentication):
              def authenticate(self, request):
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_authentication.py