```ruby
if defined? Rails && Rails::VERSION::MAJOR == 3 && Rails::VERSION::MINOR >= 1
  require "jquery-easing-rails/engine"
else
  puts "You should use Rails 3.1 and higher with jquery-easing-rails!"
end
```

Make it work with rails > 3.1
user
```ruby
if defined? Rails && Rails::VERSION::MAJOR >= 3 && Rails::VERSION::MINOR >= 1
  require "jquery-easing-rails/engine"
else
  puts "You should use Rails 3.1+ and higher with jquery-easing-rails!"
end
```
assistant