You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: cli_helpers.rb
    path of file: ./repos/papertrail-cli/lib/papertrail
    
    the code of the file until where you have to start completion: module Papertrail
  module CliHelpers
    def find_configfile
      if File.exist?(path = File.expand_path('.papertrail.yml'))
        retur
    
    def symbolize_keys(hash)
      new_hash = {}
      hash.each do |(key, value)|
        new_hash[(key.to_sym rescue key) || key] = value
      end

      new_hash
    end