use ActiveRecord::Relation

lib/simple_controller/base_controller.rb

@@ -203,7 +203,7 @@ class SimpleController::BaseController < ::InheritedResources::Base
     policy_class ||= self.class.instance_variable_get(:@policy_class)
     if policy_class.present? &&
         scope_policy_class = "#{policy_class}::Scope".safe_constantize &&
-        origin_end_of_association_chain.is_a?(ActiveRecord::AssociationRelation)
+        origin_end_of_association_chain.is_a?(ActiveRecord::Relation)
       scope_policy_class.new(current_user, origin_end_of_association_chain).resolve
     else
       origin_end_of_association_chain