```ruby
module Quizzy
  class Engine < ::Rails::Engine
    isolate_namespace Quizzy
    require "CarrierWave"
  end
end
```

Change le require de carrierwave
user
```ruby
module Quizzy
  class Engine < ::Rails::Engine
    isolate_namespace Quizzy
    require "carrierwave"
  end
end
```
assistant