app/models/answer.rb in ask-0.5.2 vs app/models/answer.rb in ask-0.5.3

@@ -1,18 +1,19 @@
 class Answer < ActiveRecord::Base
+  if respond_to? :attr_accessible # Rails 3.2 backwards compatibility
+    attr_accessible :question_id, :answer, :choice_id, :uploaded_file, :uploaded_file_cache
+  end
 
-  attr_accessible :question_id, :answer, :choice_id, :uploaded_file, :uploaded_file_cache
-  
   belongs_to :answerer, :polymorphic => true
   belongs_to :question
   belongs_to :choice
 
   validates_presence_of :question_id
 
   mount_uploader :uploaded_file, UploadedFileUploader
 
-  default_scope joins(:question).order('questions.position').readonly(false)  # This scope prevents updating answers unless readonly is set to false.
+  default_scope lambda { joins(:question).order('questions.position').readonly(false) }  # This scope prevents updating answers unless readonly is set to false.
   scope :for_answerer, lambda{|answerer| where(:answerer_type => answerer.class.to_s, :answerer_id => answerer.id)}
   scope :for_question, lambda{|question| where(:question_id => question.id)}
 
   def to_s
     if question.supports_uploads?
@@ -31,7 +32,6 @@
       else
         answer.blank?
       end
     end
   end
-
 end