```ruby
require 'spree_core'
require 'spree/auth/devise'
require 'spree/authentication_helpers'
require 'sass/rails'```

Fix 'WARN: tilt autoloading 'coffee_script' in a non thread-safe way; explicit require 'coffee_script' suggested.'
user
```ruby
require 'spree_core'
require 'spree/auth/devise'
require 'spree/authentication_helpers'
require 'sass/rails'
require 'coffee_script'```
assistant