lib/sup/source.rb in sup-0.12.1 vs lib/sup/source.rb in sup-0.13.0

@@ -158,10 +158,10 @@
     c.instance_eval { @labels = (@labels.to_a.map { |l| l.to_s }).sort }
     c
   end
 
   def after_unmarshal!
-    @labels = Set.new(@labels.map { |s| s.to_sym })
+    @labels = Set.new(@labels.to_a.map { |s| s.to_sym })
   end
 end
 
 class SourceManager
   include Singleton