# File lib/omniauth/strategies/oauth2/github.rb, line 13
      def initialize(app, client_id=nil, client_secret=nil, options={}, &block)
        client_options = {
          :site => 'https://api.github.com',
          :authorize_url => 'https://github.com/login/oauth/authorize',
          :token_url => 'https://github.com/login/oauth/access_token'
        }
        super(app, :github, client_id, client_secret, client_options, options, &block)
      end