```ruby
require 'rubygems'
# Set up gems listed in the Gemfile.
if File.exist?(File.expand_path('../../Gemfile', __FILE__))
  require 'bundler'
  Bundler.setup
end
```

Use syck for yaml, fixes an issuew with new delayed job.
user
```ruby
require 'rubygems'

# Need to explicitly use syck for yaml
require 'yaml'
YAML::ENGINE.yamler = 'syck'

# Set up gems listed in the Gemfile.
if File.exist?(File.expand_path('../../Gemfile', __FILE__))
  require 'bundler'
  Bundler.setup
end
```
assistant