rails/rails — pull request #13143 by joker1007 (2013-12-03 14:33:04+00:00)
Title: Fix ActiveRecord::Callbacks sample code [ci skip]

Callback caller class uses `after_initialize` hook,
but Callback callee defines `after_find`.

Current sample code causes following error.

```
NoMethodError: undefined method `after_initialize' for #
```