docs: def write_raw_file(secret, dest):
      """Writes an actual secret out to a file"""
      secret_file = None
      secret_filename = abspath(dest)
      if sys.version_info >= (3, 0):
          if not isinstance(secret, str):
              secret_file = open(secret_filename, 'wb')
  
      if not secret_file:
          secret_file = open(secret_filename, 'w')
  
      secret_file.write(secret)
      secret_file.close()
      os.chmod(secret_filename, 0o600)