<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def restart_required(self):
 """Indicates whether splunkd is in a state that requires a restart. :return: A ``boolean`` that indicates whether a restart is required. """

        response = self.get("messages").body.read()
        messages = data.load(response)['feed']
        if 'entry' not in messages:
            result = False
        else:
            if isinstance(messages['entry'], dict):
                titles = [messages['entry']['title']]
            else:
                titles = [x['title'] for x in messages['entry']]
            result = 'restart_required' in titles
        return result