lib/danger/roulette.rb in gitlab-dangerfiles-0.8.1 vs lib/danger/roulette.rb in gitlab-dangerfiles-0.9.0

@@ -24,10 +24,10 @@
 
     # Assigns GitLab team members to be reviewer and maintainer
     # for each change category that a Merge Request contains.
     #
     # @return [Array<Spin>]
-    def spin(project, categories, timezone_experiment: false)
+    def spin(project, categories = [nil], timezone_experiment: false)
       spins = categories.sort.map do |category|
         including_timezone = INCLUDE_TIMEZONE_FOR_CATEGORY.fetch(category, timezone_experiment)
 
         spin_for_category(project, category, timezone_experiment: including_timezone)
       end