lib/object/cache.rb in object-cache-0.0.4 vs lib/object/cache.rb in object-cache-0.0.5

@@ -87,10 +87,11 @@
     def primary
       backend.is_a?(Hash) ? backend[:primary] : backend
     end
 
     def replicas
-      [backend.is_a?(Hash) ? backend[:replicas] : backend].flatten
+      replicas = backend.is_a?(Hash) ? backend[:replicas] : backend
+      replicas.respond_to?(:sample) ? replicas : [replicas]
     end
 
     def replica
       replicas.sample
     end