code: def resend_sent(self, route_family, peer):
          
          if peer not in self._peers.values():
              raise ValueError('Could not find given peer (%s)' % peer)
  
          if route_family not in SUPPORTED_GLOBAL_RF:
              raise ValueError(
                  'Given route family (%s) is not supported.' % route_family
              )
  
          # Iterate over the global table for given afi, safi and enqueue
          # out-going routes.
          table = self._table_manager.get_global_table_by_route_family(
              route_family
          )
  
          for destination in table.values():
              # Check if this destination's sent - routes include this peer.
              # i.e. check if this destinations was advertised and enqueue
              # the path only if it was. If the current best-path has not been
              # advertised before, it might already have a OutgoingRoute queued
              # to be sent to the peer.
              sent_routes = destination.sent_routes
              if sent_routes is None or len(sent_routes) == 0:
                  continue
              for sent_route in sent_routes:
                  if sent_route.sent_peer == peer:
                      # update med - if previously med was set per neighbor or
                      # wasn't set at all now it could have changed and we may
                      # need to set new value there
                      p = sent_route.path
                      if p.med_set_by_target_neighbor or p.get_pattr(
                              BGP_ATTR_TYPE_MULTI_EXIT_DISC) is None:
                          sent_route.path = \
                              clone_path_and_update_med_for_target_neighbor(
                                  sent_route.path, peer.med
                              )
  
                      ogr = OutgoingRoute(sent_route.path,
                                          for_route_refresh=True)
                      peer.enque_outgoing_msg(ogr)
docs: For given `peer` re-send sent paths.
  
          Parameters:
              - `route-family`: (RouteFamily) of the sent paths to re-send
              - `peer`: (Peer) peer for which we need to re-send sent paths