#414

backend/app/models/material_version.rb

@@ -11,7 +11,5 @@ class MaterialVersion < ApplicationRecord
   belongs_to :parent, class_name: 'Material', optional: true
   belongs_to :updated_by_user, class_name: 'User', optional: true
 
-  def export_paths_hash
-    export_paths_json || {}
-  end
+  def export_paths_hash = export_paths_json || { }
 end