```ruby
require "spree_core"
require "spree/auth/devise"
require "spree/authentication_helpers"
require "sass/rails"
require "coffee_script"
```

Add an explicit require to deface
user
```ruby
require "spree_core"
require "spree/auth/devise"
require "spree/authentication_helpers"
require "sass/rails"
require "coffee_script"
require "deface"
```
assistant