1Yelp.client.configure do |config|
2  config.consumer_key = ENV["YELP_CONSUMER_KEY"]
3  config.consumer_secret = ENV["YELP_CONSUMER_SECRET"]
4  config.token = ENV["YELP_TOKEN"]
5  config.token_secret = ENV["YELP_TOKEN_SECRET"]
6end if ENV["YELP_CONSUMER_KEY"].present?