lib/canvas_sync/engine.rb in canvas_sync-0.18.5 vs lib/canvas_sync/engine.rb in canvas_sync-0.18.6

@@ -6,10 +6,14 @@
     isolate_namespace CanvasSync
 
     initializer "canvas_sync.safe_yaml_classes" do |app|
       app.config.active_record.yaml_column_permitted_classes ||= []
       app.config.active_record.yaml_column_permitted_classes |= [Symbol, ActiveSupport::HashWithIndifferentAccess]
-      ActiveRecord::Base.yaml_column_permitted_classes |= app.config.active_record.yaml_column_permitted_classes
+      if ActiveRecord::Base.respond_to?(:yaml_column_permitted_classes)
+        ActiveRecord::Base.yaml_column_permitted_classes |= app.config.active_record.yaml_column_permitted_classes
+      elsif
+        ActiveRecord.yaml_column_permitted_classes |= app.config.active_record.yaml_column_permitted_classes
+      end
     rescue
     end
 
     initializer :append_migrations do |app|
       config.paths["db/migrate"].expanded.each do |expanded_path|