      """
      scope = 'anon'
  
      def get_cache_key(self, request, view):
          if is_authenticated(request.user):
              return None  # Only throttle unauthenticated requests.
  
          return self.cache_format % {
              'scope': self.scope,
              'ident': self.get_ident(request)
 
</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             is_authenticated(request.user)
 </s> add             request.user.is_authenticated </s> remove         return request.user and is_authenticated(request.user)
 </s> add         return request.user and request.user.is_authenticated
        if request.user.is_authenticated:
      """
      scope = 'anon'
  
      def get_cache_key(self, request, view):
        if request.user.is_authenticated:
              return None  # Only throttle unauthenticated requests.
  
          return self.cache_format % {
              'scope': self.scope,
              'ident': self.get_ident(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 
rest_framework/throttling.py