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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 fetch(self):
 """ Fetch & return a new `FloatingIP` object representing the floating IP's current state :rtype: FloatingIP :raises DOAPIError: if the API endpoint replies with an error (e.g., if the floating IP no longer exists) """

        api = self.doapi_manager
        return api._floating_ip(api.request(self.url)["floating_ip"])