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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _fail(self, event, message='Invalid credentials'):
 """Sends a failure message to the requesting client"""


        notification = {
            'component': 'auth',
            'action': 'fail',
            'data': message
        }

        ip = event.sock.getpeername()[0]

        self.failing_clients[ip] = event
        Timer(3, Event.create('notify_fail', event.clientuuid, notification, ip)).register(self)