docs: def get_iam_account(l, args, user_name):
      """Return the local Account for a user name, by fetching User and looking up
      the arn. """
  
      iam = get_resource(args, 'iam')
      user = iam.User(user_name)
      user.load()
  
      return l.find_or_new_account(user.arn)