# File lib/heroku/command/pgbackups.rb, line 164
    def pgbackup_client
      pgbackups_url = ENV["PGBACKUPS_URL"] || config_vars["PGBACKUPS_URL"]
      abort(" !   Please add the pgbackups addon first via:\nheroku addons:add pgbackups") unless pgbackups_url
      @pgbackup_client ||= PGBackups::Client.new(pgbackups_url)
    end