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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 insertPeer(self, peer):
 """ Accepts a peer datamodel object and adds it to the registry. """

        try:
            models.Peer.create(
                url=peer.getUrl(),
                attributes=json.dumps(peer.getAttributes()))
        except Exception as e:
            raise exceptions.RepoManagerException(e)