code: def error(self, msg):
          '''
          error(msg : string)
  
          Print a usage message incorporating 'msg' to stderr and exit.
          This keeps option parsing exit status uniform for all parsing errors.
          '''
          self.print_usage(sys.stderr)
          self.exit(salt.defaults.exitcodes.EX_USAGE, '{0}: error: {1}\n'.format(self.get_prog_name(), msg)f error(self, msg):
          '''
          error(msg : string)
  
          Print a usage message incorporating 'msg' to stderr and exit.
          This keeps option parsing exit status uniform for all parsing errors.
          '''
          self.print_usage(sys.stderr)
          self.exit(salt.defaults.exitcodes.EX_USAGE, '{0}: error: {1}\n'.format(self.get_prog_name(), msg))
docs: error(msg : string)
  
          Print a usage message incorporating 'msg' to stderr and exit.
          This keeps option parsing exit status uniform for all parsing errors.