code: def send_peers(self, connection_id):
          
          with self._lock:
              # Needs to actually be the list of advertised endpoints of
              # our peers
              peer_endpoints = list(self._peers.values())
              if self._endpoint:
                  peer_endpoints.append(self._endpoint)
              peers_response = GetPeersResponse(peer_endpoints=peer_endpoints)
              try:
                  # Send a one_way message because the connection will be closed
                  # if this is a temp connection.
                  self._network.send(
                      validator_pb2.Message.GOSSIP_GET_PEERS_RESPONSE,
                      peers_response.SerializeToString(),
                      connection_id,
                      one_way=True)
              except ValueError:
                  LOGGER.debug("Connection disconnected: %s", connection_id)
docs: Sends a message containing our peers to the
          connection identified by connection_id.
  
          Args:
              connection_id (str): A unique identifier which identifies an
                  connection on the network server socket.