lib/bullet/ext/object.rb in bullet-5.7.6 vs lib/bullet/ext/object.rb in bullet-5.8.0

@@ -5,10 +5,10 @@
     "#{self.class}:#{primary_key_value}"
   end
 
   def primary_key_value
     if self.class.respond_to?(:primary_keys) && self.class.primary_keys
-      self.class.primary_keys.map { |primary_key| send primary_key }.join(','.freeze)
+      self.class.primary_keys.map { |primary_key| send primary_key }.join(',')
     elsif self.class.respond_to?(:primary_key) && self.class.primary_key
       send self.class.primary_key
     else
       id
     end