app/controllers/bulkrax/importers_controller.rb in bulkrax-5.5.1 vs app/controllers/bulkrax/importers_controller.rb in bulkrax-6.0.0

@@ -239,10 +239,10 @@
         parser_fields: [importable_parser_fields]
       )
     end
 
     def list_external_sets
-      url = params[:base_url] || (@harvester ? @harvester.base_url : nil)
+      url = params[:base_url] || @harvester&.base_url
       setup_client(url) if url.present?
 
       @sets = [['All', 'all']]
 
       begin