lib/bulldog/has_attachment.rb in bulldog-0.0.4 vs lib/bulldog/has_attachment.rb in bulldog-0.0.5

@@ -122,10 +122,13 @@
         end
       end
     end
 
     def clear_original_attachments
-      remove_instance_variable :@original_attachments
+      # Somehow this can be unset sometimes.  TODO: Work out how.
+      if instance_variable_defined?(:@original_attachments)
+        remove_instance_variable :@original_attachments
+      end
     end
 
     def process_attachments_for_event(event, *args)
       self.class.attachment_reflections.each do |name, reflection|
         _attachment_for(reflection.name).process(event, *args)