Merge pull request #5258 from guilleiguaran/amo-model

Use public_send instead of send in ActiveModel::Model initialize

activemodel/lib/active_model/model.rb

@@ -65,7 +65,7 @@ def self.included(base)
 
     def initialize(params={})
       params.each do |attr, value|
-        self.send("#{attr}=", value)
+        self.public_send("#{attr}=", value)
       end if params
     end